diff --git a/rhodecode/api/tests/test_get_server_info.py b/rhodecode/api/tests/test_get_server_info.py
--- a/rhodecode/api/tests/test_get_server_info.py
+++ b/rhodecode/api/tests/test_get_server_info.py
@@ -25,7 +25,7 @@ from rhodecode.model.scm import ScmModel
 from rhodecode.api.tests.utils import build_data, api_call, assert_ok
 
 
-@pytest.fixture
+@pytest.fixture()
 def http_host_stub():
     """
     To ensure that we can get an IP address, this test shall run with a
diff --git a/rhodecode/apps/admin/tests/test_admin_settings.py b/rhodecode/apps/admin/tests/test_admin_settings.py
--- a/rhodecode/apps/admin/tests/test_admin_settings.py
+++ b/rhodecode/apps/admin/tests/test_admin_settings.py
@@ -412,14 +412,14 @@ class TestAdminSettingsVcs(object):
         setting = SettingsModel().get_setting_by_name(setting_key)
         assert setting.app_settings_value is new_value
 
-    @pytest.fixture
+    @pytest.fixture()
     def disable_sql_cache(self, request):
         patcher = mock.patch(
             'rhodecode.lib.caching_query.FromCache.process_query')
         request.addfinalizer(patcher.stop)
         patcher.start()
 
-    @pytest.fixture
+    @pytest.fixture()
     def form_defaults(self):
         from rhodecode.apps.admin.views.settings import AdminSettingsView
         return AdminSettingsView._form_defaults()
diff --git a/rhodecode/apps/gist/tests/test_admin_gists.py b/rhodecode/apps/gist/tests/test_admin_gists.py
--- a/rhodecode/apps/gist/tests/test_admin_gists.py
+++ b/rhodecode/apps/gist/tests/test_admin_gists.py
@@ -83,7 +83,7 @@ class GistUtility(object):
         Session().commit()
 
 
-@pytest.fixture
+@pytest.fixture()
 def create_gist(request):
     gist_utility = GistUtility()
     request.addfinalizer(gist_utility.cleanup)
diff --git a/rhodecode/apps/repository/tests/test_repo_summary.py b/rhodecode/apps/repository/tests/test_repo_summary.py
--- a/rhodecode/apps/repository/tests/test_repo_summary.py
+++ b/rhodecode/apps/repository/tests/test_repo_summary.py
@@ -327,7 +327,7 @@ def summary_view(context_stub, request_s
 @pytest.mark.usefixtures('app')
 class TestCreateReferenceData(object):
 
-    @pytest.fixture
+    @pytest.fixture()
     def example_refs(self):
         section_1_refs = OrderedDict((('a', 'a_id'), ('b', 'b_id')))
         example_refs = [
diff --git a/rhodecode/apps/ssh_support/tests/conftest.py b/rhodecode/apps/ssh_support/tests/conftest.py
--- a/rhodecode/apps/ssh_support/tests/conftest.py
+++ b/rhodecode/apps/ssh_support/tests/conftest.py
@@ -26,7 +26,7 @@ from rhodecode.apps.ssh_support.lib.ssh_
 from rhodecode.lib.utils2 import AttributeDict
 
 
-@pytest.fixture
+@pytest.fixture()
 def dummy_conf_file(tmpdir):
     conf = configparser.ConfigParser()
     conf.add_section('app:main')
@@ -48,7 +48,7 @@ def plain_dummy_env():
     }
 
 
-@pytest.fixture
+@pytest.fixture()
 def dummy_env():
     return plain_dummy_env()
 
@@ -57,12 +57,12 @@ def plain_dummy_user():
     return AttributeDict(username='test_user')
 
 
-@pytest.fixture
+@pytest.fixture()
 def dummy_user():
     return plain_dummy_user()
 
 
-@pytest.fixture
+@pytest.fixture()
 def ssh_wrapper(app, dummy_conf_file, dummy_env):
     conn_info = '127.0.0.1 22 10.0.0.1 443'
     return SshWrapper(
diff --git a/rhodecode/apps/ssh_support/tests/test_server_git.py b/rhodecode/apps/ssh_support/tests/test_server_git.py
--- a/rhodecode/apps/ssh_support/tests/test_server_git.py
+++ b/rhodecode/apps/ssh_support/tests/test_server_git.py
@@ -63,7 +63,7 @@ class GitServerCreator(object):
         return server
 
 
-@pytest.fixture
+@pytest.fixture()
 def git_server(app):
     return GitServerCreator()
 
diff --git a/rhodecode/apps/ssh_support/tests/test_server_hg.py b/rhodecode/apps/ssh_support/tests/test_server_hg.py
--- a/rhodecode/apps/ssh_support/tests/test_server_hg.py
+++ b/rhodecode/apps/ssh_support/tests/test_server_hg.py
@@ -62,7 +62,7 @@ class MercurialServerCreator(object):
         return server
 
 
-@pytest.fixture
+@pytest.fixture()
 def hg_server(app):
     return MercurialServerCreator()
 
diff --git a/rhodecode/apps/ssh_support/tests/test_server_svn.py b/rhodecode/apps/ssh_support/tests/test_server_svn.py
--- a/rhodecode/apps/ssh_support/tests/test_server_svn.py
+++ b/rhodecode/apps/ssh_support/tests/test_server_svn.py
@@ -61,7 +61,7 @@ class SubversionServerCreator(object):
         return server
 
 
-@pytest.fixture
+@pytest.fixture()
 def svn_server(app):
     return SubversionServerCreator()
 
diff --git a/rhodecode/config/patches.py b/rhodecode/config/patches.py
--- a/rhodecode/config/patches.py
+++ b/rhodecode/config/patches.py
@@ -32,7 +32,6 @@ Please keep the following principles in 
 """
 
 
-
 def inspect_getargspec():
     """
     Pyramid rely on inspect.getargspec to lookup the signature of
diff --git a/rhodecode/tests/config/test_environment.py b/rhodecode/tests/config/test_environment.py
--- a/rhodecode/tests/config/test_environment.py
+++ b/rhodecode/tests/config/test_environment.py
@@ -25,7 +25,7 @@ import pytest
 from rhodecode.config import environment
 
 
-@pytest.fixture
+@pytest.fixture()
 def _external_calls_patcher(request):
     # TODO: mikhail: This is a temporary solution. Ideally load_environment
     # should be split into multiple small testable functions.
diff --git a/rhodecode/tests/database/conftest.py b/rhodecode/tests/database/conftest.py
--- a/rhodecode/tests/database/conftest.py
+++ b/rhodecode/tests/database/conftest.py
@@ -59,7 +59,7 @@ def pytest_collection_modifyitems(sessio
     items[:] = remaining
 
 
-@pytest.fixture
+@pytest.fixture()
 def db_backend(
         request, db_backend_name, ini_config, tmpdir_factory):
     basetemp = tmpdir_factory.getbasetemp().strpath
diff --git a/rhodecode/tests/events/test_repo.py b/rhodecode/tests/events/test_repo.py
--- a/rhodecode/tests/events/test_repo.py
+++ b/rhodecode/tests/events/test_repo.py
@@ -32,7 +32,7 @@ from rhodecode.events.repo import (
 )
 
 
-@pytest.fixture
+@pytest.fixture()
 def scm_extras(user_regular, repo_stub):
     extras = utils2.AttributeDict({
         'ip': '127.0.0.1',
diff --git a/rhodecode/tests/integrations/conftest.py b/rhodecode/tests/integrations/conftest.py
--- a/rhodecode/tests/integrations/conftest.py
+++ b/rhodecode/tests/integrations/conftest.py
@@ -24,7 +24,7 @@ from rhodecode import events
 from rhodecode.lib.utils2 import AttributeDict
 
 
-@pytest.fixture
+@pytest.fixture()
 def repo_push_event(backend, user_regular):
     commits = [
         {'message': 'ancestor commit fixes #15'},
diff --git a/rhodecode/tests/integrations/test_integration.py b/rhodecode/tests/integrations/test_integration.py
--- a/rhodecode/tests/integrations/test_integration.py
+++ b/rhodecode/tests/integrations/test_integration.py
@@ -47,7 +47,7 @@ class TestDeleteScopesDeletesIntegration
         assert integration is None
 
 
-@pytest.fixture
+@pytest.fixture()
 def integration_repos(request, StubIntegrationType, stub_integration_settings):
     """
     Create repositories and integrations for testing, and destroy them after
diff --git a/rhodecode/tests/integrations/test_slack.py b/rhodecode/tests/integrations/test_slack.py
--- a/rhodecode/tests/integrations/test_slack.py
+++ b/rhodecode/tests/integrations/test_slack.py
@@ -26,7 +26,7 @@ from rhodecode.model.db import Session, 
 from rhodecode.integrations.types.slack import SlackIntegrationType
 
 
-@pytest.fixture
+@pytest.fixture()
 def slack_settings():
     return {
         "service": "mock://slackintegration",
@@ -40,7 +40,7 @@ def slack_settings():
     }
 
 
-@pytest.fixture
+@pytest.fixture()
 def slack_integration(request, app, slack_settings):
     integration = Integration()
     integration.name = 'test slack integration'
diff --git a/rhodecode/tests/integrations/test_webhook.py b/rhodecode/tests/integrations/test_webhook.py
--- a/rhodecode/tests/integrations/test_webhook.py
+++ b/rhodecode/tests/integrations/test_webhook.py
@@ -25,7 +25,7 @@ from rhodecode.lib.utils2 import Attribu
 from rhodecode.integrations.types.webhook import WebhookDataHandler
 
 
-@pytest.fixture
+@pytest.fixture()
 def base_data():
     return {
         'name': 'event',
diff --git a/rhodecode/tests/lib/auth_modules/test_auth_modules.py b/rhodecode/tests/lib/auth_modules/test_auth_modules.py
--- a/rhodecode/tests/lib/auth_modules/test_auth_modules.py
+++ b/rhodecode/tests/lib/auth_modules/test_auth_modules.py
@@ -77,7 +77,7 @@ def test_authenticate_migrates_to_new_ha
     assert result == stub_auth_data
 
 
-@pytest.fixture
+@pytest.fixture()
 def stub_auth_data(user_util):
     user = user_util.create_user()
     data = {
diff --git a/rhodecode/tests/lib/middleware/test_simplevcs.py b/rhodecode/tests/lib/middleware/test_simplevcs.py
--- a/rhodecode/tests/lib/middleware/test_simplevcs.py
+++ b/rhodecode/tests/lib/middleware/test_simplevcs.py
@@ -73,7 +73,7 @@ class StubVCSController(simplevcs.Simple
         return None
 
 
-@pytest.fixture
+@pytest.fixture()
 def vcscontroller(baseapp, config_stub, request_stub):
     config_stub.testing_securitypolicy()
     config_stub.include('rhodecode.authentication')
diff --git a/rhodecode/tests/lib/middleware/utils/test_scm_app_http_chunking.py b/rhodecode/tests/lib/middleware/utils/test_scm_app_http_chunking.py
--- a/rhodecode/tests/lib/middleware/utils/test_scm_app_http_chunking.py
+++ b/rhodecode/tests/lib/middleware/utils/test_scm_app_http_chunking.py
@@ -40,7 +40,7 @@ def test_does_chunked_end_to_end_transfe
     assert times[1] - times[0] > 0.1, "Chunks arrived at the same time"
 
 
-@pytest.fixture
+@pytest.fixture()
 def echo_app_chunking(request, available_port_factory):
     """
     Run the EchoApp via Waitress in a subprocess.
@@ -63,7 +63,7 @@ def echo_app_chunking(request, available
     return echo_app_url
 
 
-@pytest.fixture
+@pytest.fixture()
 def scm_app(request, available_port_factory, echo_app_chunking):
     """
     Run the scm_app in Waitress.
diff --git a/rhodecode/tests/lib/test_auth_crypto_backend.py b/rhodecode/tests/lib/test_auth_crypto_backend.py
--- a/rhodecode/tests/lib/test_auth_crypto_backend.py
+++ b/rhodecode/tests/lib/test_auth_crypto_backend.py
@@ -86,12 +86,12 @@ def crypto_backend_class(request):
     return request.param
 
 
-@pytest.fixture
+@pytest.fixture()
 def crypto_backend(crypto_backend_class):
     return crypto_backend_class()
 
 
-@pytest.fixture
+@pytest.fixture()
 def password():
     encoding = 'utf-8'
     value = u'value'
diff --git a/rhodecode/tests/lib/test_db_manage.py b/rhodecode/tests/lib/test_db_manage.py
--- a/rhodecode/tests/lib/test_db_manage.py
+++ b/rhodecode/tests/lib/test_db_manage.py
@@ -25,7 +25,7 @@ from rhodecode.lib.db_manage import DbMa
 from rhodecode.model import db
 
 
-@pytest.fixture
+@pytest.fixture()
 def db_manage(baseapp):
     db_manage = DbManage(
         log_sql=True, dbconf='fake', root='fake', tests=False,
diff --git a/rhodecode/tests/lib/test_diffs.py b/rhodecode/tests/lib/test_diffs.py
--- a/rhodecode/tests/lib/test_diffs.py
+++ b/rhodecode/tests/lib/test_diffs.py
@@ -173,7 +173,7 @@ class TestMixedFilenameEncodings(object)
         return fixture.load_resource(
             'hg_diff_mixed_filename_encodings.diff')
 
-    @pytest.fixture
+    @pytest.fixture()
     def processor(self, raw_diff):
         diff = MercurialDiff(raw_diff)
         processor = DiffProcessor(diff)
diff --git a/rhodecode/tests/lib/test_diffs_context.py b/rhodecode/tests/lib/test_diffs_context.py
--- a/rhodecode/tests/lib/test_diffs_context.py
+++ b/rhodecode/tests/lib/test_diffs_context.py
@@ -238,7 +238,7 @@ def test_find_context_end_of_chunk(diff_
     assert found_line == [diffs.DiffLineNumber(old=13, new=14)]
 
 
-@pytest.fixture
+@pytest.fixture()
 def diff_processor(request, diff_fixture):
     raw_diff = diffs_store[diff_fixture]
     diff = GitDiff(raw_diff)
@@ -247,7 +247,7 @@ def diff_processor(request, diff_fixture
     return processor
 
 
-@pytest.fixture
+@pytest.fixture()
 def diff_fixture():
     return 'default.diff'
 
diff --git a/rhodecode/tests/lib/test_hooks_base.py b/rhodecode/tests/lib/test_hooks_base.py
--- a/rhodecode/tests/lib/test_hooks_base.py
+++ b/rhodecode/tests/lib/test_hooks_base.py
@@ -61,7 +61,7 @@ def assert_called_with_mock(callable_, e
     assert mock_name == expected_mock_name
 
 
-@pytest.fixture
+@pytest.fixture()
 def hook_extras(user_regular, repo_stub):
     extras = utils2.AttributeDict({
         'ip': '127.0.0.1',
diff --git a/rhodecode/tests/lib/test_hooks_daemon.py b/rhodecode/tests/lib/test_hooks_daemon.py
--- a/rhodecode/tests/lib/test_hooks_daemon.py
+++ b/rhodecode/tests/lib/test_hooks_daemon.py
@@ -325,7 +325,7 @@ class MockServer(object):
         self.handler = Handler(self.request, ip_port, self)
 
 
-@pytest.fixture
+@pytest.fixture()
 def tcp_server():
     server = mock.Mock()
     server.server_address = ('127.0.0.1', 8881)
diff --git a/rhodecode/tests/lib/test_jsonalchemy.py b/rhodecode/tests/lib/test_jsonalchemy.py
--- a/rhodecode/tests/lib/test_jsonalchemy.py
+++ b/rhodecode/tests/lib/test_jsonalchemy.py
@@ -29,12 +29,12 @@ from rhodecode.lib.jsonalchemy import (
     MutationDict, MutationList, MutationObj, JsonType)
 
 
-@pytest.fixture
+@pytest.fixture()
 def engine():
     return create_engine('sqlite://')
 
 
-@pytest.fixture
+@pytest.fixture()
 def session(engine):
     return sessionmaker(bind=engine)()
 
diff --git a/rhodecode/tests/models/settings/test_settings.py b/rhodecode/tests/models/settings/test_settings.py
--- a/rhodecode/tests/models/settings/test_settings.py
+++ b/rhodecode/tests/models/settings/test_settings.py
@@ -797,7 +797,7 @@ class TestDefaultRepoSettings(object):
             assert result[setting] == 'value'
 
 
-@pytest.fixture
+@pytest.fixture()
 def fake_ui_values():
     return [
         UiSetting(
diff --git a/rhodecode/tests/models/test_permissions.py b/rhodecode/tests/models/test_permissions.py
--- a/rhodecode/tests/models/test_permissions.py
+++ b/rhodecode/tests/models/test_permissions.py
@@ -36,7 +36,7 @@ from rhodecode.tests.fixture import Fixt
 fixture = Fixture()
 
 
-@pytest.fixture
+@pytest.fixture()
 def repo_name(backend_hg):
     return backend_hg.repo_name
 
diff --git a/rhodecode/tests/models/test_pullrequest.py b/rhodecode/tests/models/test_pullrequest.py
--- a/rhodecode/tests/models/test_pullrequest.py
+++ b/rhodecode/tests/models/test_pullrequest.py
@@ -44,7 +44,7 @@ pytestmark = [
 @pytest.mark.usefixtures('config_stub')
 class TestPullRequestModel(object):
 
-    @pytest.fixture
+    @pytest.fixture()
     def pull_request(self, request, backend, pr_util):
         """
         A pull request combined with multiples patches.
@@ -538,7 +538,7 @@ def test_merge_response_message(mr_type,
     assert merge_response.merge_status_message == expected_msg
 
 
-@pytest.fixture
+@pytest.fixture()
 def merge_extras(user_regular):
     """
     Context for the vcs operation when running a merge.
diff --git a/rhodecode/tests/models/test_repo_readme.py b/rhodecode/tests/models/test_repo_readme.py
--- a/rhodecode/tests/models/test_repo_readme.py
+++ b/rhodecode/tests/models/test_repo_readme.py
@@ -24,7 +24,7 @@ from rhodecode.lib.vcs import nodes
 from rhodecode.model.repo import ReadmeFinder
 
 
-@pytest.fixture
+@pytest.fixture()
 def commit_util(vcsbackend_stub):
     """
     Provide a commit which has certain files in it's tree.
diff --git a/rhodecode/tests/models/test_users.py b/rhodecode/tests/models/test_users.py
--- a/rhodecode/tests/models/test_users.py
+++ b/rhodecode/tests/models/test_users.py
@@ -119,7 +119,7 @@ class TestGetUsers(object):
         assert len(fake_users) == 3
 
 
-@pytest.fixture
+@pytest.fixture()
 def test_user(request, baseapp):
     usr = UserModel().create_or_update(
         username=u'test_user',
diff --git a/rhodecode/tests/other/test_validators.py b/rhodecode/tests/other/test_validators.py
--- a/rhodecode/tests/other/test_validators.py
+++ b/rhodecode/tests/other/test_validators.py
@@ -40,7 +40,7 @@ fixture = Fixture()
 pytestmark = pytest.mark.usefixtures('baseapp')
 
 
-@pytest.fixture
+@pytest.fixture()
 def localizer():
     def func(msg):
         return msg
diff --git a/rhodecode/tests/plugin.py b/rhodecode/tests/plugin.py
--- a/rhodecode/tests/plugin.py
+++ b/rhodecode/tests/plugin.py
@@ -164,7 +164,7 @@ def activate_example_rcextensions(reques
         rhodecode.EXTENSIONS = old_extensions
 
 
-@pytest.fixture
+@pytest.fixture()
 def capture_rcextensions():
     """
     Returns the recorded calls to entry points in rcextensions.
@@ -192,7 +192,7 @@ def plain_http_host_stub():
     return 'example.com:80'
 
 
-@pytest.fixture
+@pytest.fixture()
 def http_host_stub():
     """
     Value of HTTP_HOST in the test run.
@@ -207,7 +207,7 @@ def plain_http_host_only_stub():
     return plain_http_host_stub().split(':')[0]
 
 
-@pytest.fixture
+@pytest.fixture()
 def http_host_only_stub():
     """
     Value of HTTP_HOST in the test run.
@@ -232,7 +232,7 @@ def plain_http_environ():
     }
 
 
-@pytest.fixture
+@pytest.fixture()
 def http_environ():
     """
     HTTP extra environ keys.
@@ -294,7 +294,7 @@ def _autologin_user(app, *args):
     return LoginData(csrf_token, session['rhodecode_user'])
 
 
-@pytest.fixture
+@pytest.fixture()
 def autologin_user(app):
     """
     Utility fixture which makes sure that the admin user is logged in
@@ -302,7 +302,7 @@ def autologin_user(app):
     return _autologin_user(app)
 
 
-@pytest.fixture
+@pytest.fixture()
 def autologin_regular_user(app):
     """
     Utility fixture which makes sure that the regular user is logged in
@@ -321,7 +321,7 @@ def xhr_header(request):
     return {'HTTP_X_REQUESTED_WITH': 'XMLHttpRequest'}
 
 
-@pytest.fixture
+@pytest.fixture()
 def real_crypto_backend(monkeypatch):
     """
     Switch the production crypto backend on for this test.
@@ -356,7 +356,7 @@ def tests_tmp_path(request):
     return TESTS_TMP_PATH
 
 
-@pytest.fixture
+@pytest.fixture()
 def test_repo_group(request):
     """
     Create a temporary repository group, and destroy it after
@@ -373,7 +373,7 @@ def test_repo_group(request):
     return repo_group
 
 
-@pytest.fixture
+@pytest.fixture()
 def test_user_group(request):
     """
     Create a temporary user group, and destroy it after
@@ -464,7 +464,7 @@ def backend_base(request, backend_alias,
     return backend
 
 
-@pytest.fixture
+@pytest.fixture()
 def backend(request, backend_alias, baseapp, test_repo):
     """
     Parametrized fixture which represents a single backend implementation.
@@ -479,22 +479,22 @@ def backend(request, backend_alias, base
     return backend_base(request, backend_alias, baseapp, test_repo)
 
 
-@pytest.fixture
+@pytest.fixture()
 def backend_git(request, baseapp, test_repo):
     return backend_base(request, 'git', baseapp, test_repo)
 
 
-@pytest.fixture
+@pytest.fixture()
 def backend_hg(request, baseapp, test_repo):
     return backend_base(request, 'hg', baseapp, test_repo)
 
 
-@pytest.fixture
+@pytest.fixture()
 def backend_svn(request, baseapp, test_repo):
     return backend_base(request, 'svn', baseapp, test_repo)
 
 
-@pytest.fixture
+@pytest.fixture()
 def backend_random(backend_git):
     """
     Use this to express that your tests need "a backend.
@@ -511,7 +511,7 @@ def backend_random(backend_git):
     return backend_git
 
 
-@pytest.fixture
+@pytest.fixture()
 def backend_stub(backend_git):
     """
     Use this to express that your tests need a backend stub
@@ -522,7 +522,7 @@ def backend_stub(backend_git):
     return backend_git
 
 
-@pytest.fixture
+@pytest.fixture()
 def repo_stub(backend_stub):
     """
     Use this to express that your tests need a repository stub
@@ -722,7 +722,7 @@ def vcsbackend_base(request, backend_ali
     return backend
 
 
-@pytest.fixture
+@pytest.fixture()
 def vcsbackend(request, backend_alias, tests_tmp_path, baseapp, test_repo):
     """
     Parametrized fixture which represents a single vcs backend implementation.
@@ -736,22 +736,22 @@ def vcsbackend(request, backend_alias, t
     return vcsbackend_base(request, backend_alias, tests_tmp_path, baseapp, test_repo)
 
 
-@pytest.fixture
+@pytest.fixture()
 def vcsbackend_git(request, tests_tmp_path, baseapp, test_repo):
     return vcsbackend_base(request, 'git', tests_tmp_path, baseapp, test_repo)
 
 
-@pytest.fixture
+@pytest.fixture()
 def vcsbackend_hg(request, tests_tmp_path, baseapp, test_repo):
     return vcsbackend_base(request, 'hg', tests_tmp_path, baseapp, test_repo)
 
 
-@pytest.fixture
+@pytest.fixture()
 def vcsbackend_svn(request, tests_tmp_path, baseapp, test_repo):
     return vcsbackend_base(request, 'svn', tests_tmp_path, baseapp, test_repo)
 
 
-@pytest.fixture
+@pytest.fixture()
 def vcsbackend_stub(vcsbackend_git):
     """
     Use this to express that your test just needs a stub of a vcsbackend.
@@ -878,7 +878,7 @@ def _add_commits_to_repo(vcs_repo, commi
     return commit_ids
 
 
-@pytest.fixture
+@pytest.fixture()
 def reposerver(request):
     """
     Allows to serve a backend repository
@@ -916,7 +916,7 @@ class RepoServer(object):
             proc.terminate()
 
 
-@pytest.fixture
+@pytest.fixture()
 def pr_util(backend, request, config_stub):
     """
     Utility for tests of models and for functional tests around pull requests.
@@ -1117,7 +1117,7 @@ class PRTestUtility(object):
             self.mergeable_patcher.stop()
 
 
-@pytest.fixture
+@pytest.fixture()
 def user_admin(baseapp):
     """
     Provides the default admin test user as an instance of `db.User`.
@@ -1126,7 +1126,7 @@ def user_admin(baseapp):
     return user
 
 
-@pytest.fixture
+@pytest.fixture()
 def user_regular(baseapp):
     """
     Provides the default regular test user as an instance of `db.User`.
@@ -1135,7 +1135,7 @@ def user_regular(baseapp):
     return user
 
 
-@pytest.fixture
+@pytest.fixture()
 def user_util(request, db_connection):
     """
     Provides a wired instance of `UserUtility` with integrated cleanup.
@@ -1468,7 +1468,7 @@ class AppenlightClient(object):
             raise Exception('Sending to appenlight failed')
 
 
-@pytest.fixture
+@pytest.fixture()
 def gist_util(request, db_connection):
     """
     Provides a wired instance of `GistUtility` with integrated cleanup.
@@ -1493,13 +1493,13 @@ class GistUtility(object):
             self.fixture.destroy_gists(str(id_))
 
 
-@pytest.fixture
+@pytest.fixture()
 def enabled_backends(request):
     backends = request.config.option.backends
     return backends[:]
 
 
-@pytest.fixture
+@pytest.fixture()
 def settings_util(request, db_connection):
     """
     Provides a wired instance of `SettingsUtility` with integrated cleanup.
@@ -1591,7 +1591,7 @@ class SettingsUtility(object):
         Session().commit()
 
 
-@pytest.fixture
+@pytest.fixture()
 def no_notifications(request):
     notification_patcher = mock.patch(
         'rhodecode.model.notification.NotificationModel.create')
@@ -1610,12 +1610,12 @@ def repeat(request):
     return request.config.getoption('--repeat')
 
 
-@pytest.fixture
+@pytest.fixture()
 def rhodecode_fixtures():
     return Fixture()
 
 
-@pytest.fixture
+@pytest.fixture()
 def context_stub():
     """
     Stub context object.
@@ -1624,7 +1624,7 @@ def context_stub():
     return context
 
 
-@pytest.fixture
+@pytest.fixture()
 def request_stub():
     """
     Stub request object.
@@ -1634,7 +1634,7 @@ def request_stub():
     return request
 
 
-@pytest.fixture
+@pytest.fixture()
 def config_stub(request, request_stub):
     """
     Set up pyramid.testing and return the Configurator.
@@ -1649,7 +1649,7 @@ def config_stub(request, request_stub):
     return config
 
 
-@pytest.fixture
+@pytest.fixture()
 def StubIntegrationType():
     class _StubIntegrationType(IntegrationTypeBase):
         """ Test integration type class """
@@ -1686,7 +1686,7 @@ def StubIntegrationType():
     integration_type_registry.register_integration_type(_StubIntegrationType)
     return _StubIntegrationType
 
-@pytest.fixture
+@pytest.fixture()
 def stub_integration_settings():
     return {
         'test_string_field': 'some data',
@@ -1694,7 +1694,7 @@ def stub_integration_settings():
     }
 
 
-@pytest.fixture
+@pytest.fixture()
 def repo_integration_stub(request, repo_stub, StubIntegrationType,
         stub_integration_settings):
     integration = IntegrationModel().create(
@@ -1709,7 +1709,7 @@ def repo_integration_stub(request, repo_
     return integration
 
 
-@pytest.fixture
+@pytest.fixture()
 def repogroup_integration_stub(request, test_repo_group, StubIntegrationType,
     stub_integration_settings):
     integration = IntegrationModel().create(
@@ -1724,7 +1724,7 @@ def repogroup_integration_stub(request, 
     return integration
 
 
-@pytest.fixture
+@pytest.fixture()
 def repogroup_recursive_integration_stub(request, test_repo_group,
     StubIntegrationType, stub_integration_settings):
     integration = IntegrationModel().create(
@@ -1739,7 +1739,7 @@ def repogroup_recursive_integration_stub
     return integration
 
 
-@pytest.fixture
+@pytest.fixture()
 def global_integration_stub(request, StubIntegrationType,
     stub_integration_settings):
     integration = IntegrationModel().create(
@@ -1754,7 +1754,7 @@ def global_integration_stub(request, Stu
     return integration
 
 
-@pytest.fixture
+@pytest.fixture()
 def root_repos_integration_stub(request, StubIntegrationType,
     stub_integration_settings):
     integration = IntegrationModel().create(
@@ -1769,7 +1769,7 @@ def root_repos_integration_stub(request,
     return integration
 
 
-@pytest.fixture
+@pytest.fixture()
 def local_dt_to_utc():
     def _factory(dt):
         return dt.replace(tzinfo=dateutil.tz.tzlocal()).astimezone(
@@ -1777,7 +1777,7 @@ def local_dt_to_utc():
     return _factory
 
 
-@pytest.fixture
+@pytest.fixture()
 def disable_anonymous_user(request, baseapp):
     set_anonymous_access(False)
 
@@ -1791,7 +1791,7 @@ def rc_fixture(request):
     return Fixture()
 
 
-@pytest.fixture
+@pytest.fixture()
 def repo_groups(request):
     fixture = Fixture()
 
diff --git a/rhodecode/tests/pylons_plugin.py b/rhodecode/tests/pylons_plugin.py
--- a/rhodecode/tests/pylons_plugin.py
+++ b/rhodecode/tests/pylons_plugin.py
@@ -235,7 +235,7 @@ def available_port_factory():
     return get_available_port
 
 
-@pytest.fixture
+@pytest.fixture()
 def available_port(available_port_factory):
     """
     Gives you one free port for the current test.
diff --git a/rhodecode/tests/vcs/conftest.py b/rhodecode/tests/vcs/conftest.py
--- a/rhodecode/tests/vcs/conftest.py
+++ b/rhodecode/tests/vcs/conftest.py
@@ -112,7 +112,7 @@ def _create_empty_repository(cls, backen
     return repo
 
 
-@pytest.fixture
+@pytest.fixture()
 def config():
     """
     Instance of a repository config.
@@ -151,7 +151,7 @@ def _add_commits_to_repo(repo, commits):
     return tip
 
 
-@pytest.fixture
+@pytest.fixture()
 def vcs_repo(request, backend_alias):
     Backend = get_backend(backend_alias)
     repo_path = get_new_dir(str(time.time()))
@@ -164,7 +164,7 @@ def vcs_repo(request, backend_alias):
     return repo
 
 
-@pytest.fixture
+@pytest.fixture()
 def generate_repo_with_commits(vcs_repo):
     """
     Creates a fabric to generate N comits with some file nodes on a randomly
@@ -194,7 +194,7 @@ def generate_repo_with_commits(vcs_repo)
     return commit_maker
 
 
-@pytest.fixture
+@pytest.fixture()
 def hg_repo(request, vcs_repo):
     repo = vcs_repo
 
@@ -204,7 +204,7 @@ def hg_repo(request, vcs_repo):
     return repo
 
 
-@pytest.fixture
+@pytest.fixture()
 def hg_commit(hg_repo):
     return hg_repo.get_commit()
 
diff --git a/rhodecode/tests/vcs/test_archives.py b/rhodecode/tests/vcs/test_archives.py
--- a/rhodecode/tests/vcs/test_archives.py
+++ b/rhodecode/tests/vcs/test_archives.py
@@ -112,7 +112,7 @@ class TestArchives(BackendTestMixin):
             self.tip.archive_repo(self.temp_file, kind='wrong kind')
 
 
-@pytest.fixture
+@pytest.fixture()
 def base_commit():
     """
     Prepare a `base.BaseCommit` just enough for `_validate_archive_prefix`.
diff --git a/rhodecode/tests/vcs/test_client_http.py b/rhodecode/tests/vcs/test_client_http.py
--- a/rhodecode/tests/vcs/test_client_http.py
+++ b/rhodecode/tests/vcs/test_client_http.py
@@ -34,7 +34,7 @@ def is_new_connection(logger, level, mes
         message.startswith('Starting new HTTP'))
 
 
-@pytest.fixture
+@pytest.fixture()
 def stub_session():
     """
     Stub of `requests.Session()`.
@@ -48,7 +48,7 @@ def stub_session():
     return session
 
 
-@pytest.fixture
+@pytest.fixture()
 def stub_fail_session():
     """
     Stub of `requests.Session()`.
@@ -62,7 +62,7 @@ def stub_fail_session():
     return session
 
 
-@pytest.fixture
+@pytest.fixture()
 def stub_session_factory(stub_session):
     """
     Stub of `rhodecode.lib.vcs.client_http.ThreadlocalSessionFactory`.
@@ -72,7 +72,7 @@ def stub_session_factory(stub_session):
     return session_factory
 
 
-@pytest.fixture
+@pytest.fixture()
 def stub_session_failing_factory(stub_fail_session):
     """
     Stub of `rhodecode.lib.vcs.client_http.ThreadlocalSessionFactory`.
diff --git a/rhodecode/tests/vcs/test_hg.py b/rhodecode/tests/vcs/test_hg.py
--- a/rhodecode/tests/vcs/test_hg.py
+++ b/rhodecode/tests/vcs/test_hg.py
@@ -743,7 +743,7 @@ TODO: To be written...
 
 class TestGetShadowInstance(object):
 
-    @pytest.fixture
+    @pytest.fixture()
     def repo(self, vcsbackend_hg, monkeypatch):
         repo = vcsbackend_hg.repo
         monkeypatch.setattr(repo, 'config', mock.Mock())
diff --git a/rhodecode/tests/vcs/test_inmemory.py b/rhodecode/tests/vcs/test_inmemory.py
--- a/rhodecode/tests/vcs/test_inmemory.py
+++ b/rhodecode/tests/vcs/test_inmemory.py
@@ -34,7 +34,7 @@ from rhodecode.lib.vcs.nodes import DirN
 from rhodecode.tests.vcs.conftest import BackendTestMixin
 
 
-@pytest.fixture
+@pytest.fixture()
 def nodes():
     nodes = [
         FileNode('foobar', content='Foo & bar'),
diff --git a/rhodecode/tests/vcs/test_svn.py b/rhodecode/tests/vcs/test_svn.py
--- a/rhodecode/tests/vcs/test_svn.py
+++ b/rhodecode/tests/vcs/test_svn.py
@@ -35,13 +35,13 @@ pytestmark = [
 ]
 
 
-@pytest.fixture
+@pytest.fixture()
 def repo(baseapp):
     repo = SubversionRepository(os.path.join(TESTS_TMP_PATH, SVN_REPO))
     return repo
 
 
-@pytest.fixture
+@pytest.fixture()
 def head(repo):
     return repo.get_commit()
 
diff --git a/rhodecode/tests/vcs_operations/conftest.py b/rhodecode/tests/vcs_operations/conftest.py
--- a/rhodecode/tests/vcs_operations/conftest.py
+++ b/rhodecode/tests/vcs_operations/conftest.py
@@ -155,7 +155,7 @@ def rc_web_server(
     return server
 
 
-@pytest.fixture
+@pytest.fixture()
 def disable_locking(baseapp):
     r = Repository.get_by_repo_name(GIT_REPO)
     Repository.unlock(r)
@@ -170,7 +170,7 @@ def disable_locking(baseapp):
     Session().commit()
 
 
-@pytest.fixture
+@pytest.fixture()
 def enable_auth_plugins(request, baseapp, csrf_token):
     """
     Return a factory object that when called, allows to control which
@@ -217,7 +217,7 @@ def enable_auth_plugins(request, baseapp
     return _enable_plugins
 
 
-@pytest.fixture
+@pytest.fixture()
 def fs_repo_only(request, rhodecode_fixtures):
     def fs_repo_fabric(repo_name, repo_type):
         rhodecode_fixtures.create_repo(repo_name, repo_type=repo_type)
@@ -232,7 +232,7 @@ def fs_repo_only(request, rhodecode_fixt
     return fs_repo_fabric
 
 
-@pytest.fixture
+@pytest.fixture()
 def enable_webhook_push_integration(request):
     integration = Integration()
     integration.integration_type = WebhookIntegrationType.key
@@ -269,7 +269,7 @@ def enable_webhook_push_integration(requ
         Session().commit()
 
 
-@pytest.fixture
+@pytest.fixture()
 def branch_permission_setter(request):
     """