diff --git a/kallithea/lib/utils2.py b/kallithea/lib/utils2.py
--- a/kallithea/lib/utils2.py
+++ b/kallithea/lib/utils2.py
@@ -318,7 +318,8 @@ def obfuscate_url_pw(engine):
     return str(_url)
 
 
-class HookEnvironmentError(Exception): pass
+class HookEnvironmentError(Exception):
+    pass
 
 
 def get_hook_environment():
diff --git a/kallithea/tests/other/test_vcs_operations.py b/kallithea/tests/other/test_vcs_operations.py
--- a/kallithea/tests/other/test_vcs_operations.py
+++ b/kallithea/tests/other/test_vcs_operations.py
@@ -591,7 +591,8 @@ class TestVCSOperations(base.TestControl
             assert 'HTTP Error 500: INTERNAL SERVER ERROR' in stderr
         elif vt is HgSshVcsTest:
             assert 'remote: Exception: exception_test_hook threw an exception' in stdout
-        else: assert False
+        else:
+            assert False
         # there are still outgoing changesets
         stdout, stderr = _check_outgoing(vt.repo_type, dest_dir, clone_url)
         assert stdout != ''