diff --git a/rhodecode/apps/_base/__init__.py b/rhodecode/apps/_base/__init__.py
--- a/rhodecode/apps/_base/__init__.py
+++ b/rhodecode/apps/_base/__init__.py
@@ -124,8 +124,12 @@ class BaseAppView(object):
 
         # TODO(marcink): remove once pyramid migration is finished
         from pylons import tmpl_context as c
-        for k, v in tmpl_args.items():
-            setattr(c, k, v)
+        try:
+            for k, v in tmpl_args.items():
+                setattr(c, k, v)
+        except TypeError:
+            log.exception('Failed to register pylons C')
+            pass
 
     def _get_template_context(self, tmpl_args):
         self._register_global_c(tmpl_args)
diff --git a/rhodecode/config/middleware.py b/rhodecode/config/middleware.py
--- a/rhodecode/config/middleware.py
+++ b/rhodecode/config/middleware.py
@@ -345,7 +345,7 @@ def includeme(config):
     config.add_notfound_view(make_not_found_view(config))
 
     if not settings.get('debugtoolbar.enabled', False):
-        # if no toolbar, then any exception gets caught and rendered
+        # disabled debugtoolbar handle all exceptions via the error_handlers
         config.add_view(error_handler, context=Exception)
 
     config.add_view(error_handler, context=HTTPError)
@@ -388,9 +388,13 @@ def wrap_app_in_wsgi_middlewares(pyramid
 
     # Add RoutesMiddleware to support the pylons compatibility tween during
     # migration to pyramid.
-    pyramid_app = SkippableRoutesMiddleware(
-        pyramid_app, config.registry._pylons_compat_config['routes.map'],
-        skip_prefixes=(STATIC_FILE_PREFIX, '/_debug_toolbar'))
+
+    # TODO(marcink): remove after migration to pyramid
+    if hasattr(config.registry, '_pylons_compat_config'):
+        routes_map = config.registry._pylons_compat_config['routes.map']
+        pyramid_app = SkippableRoutesMiddleware(
+            pyramid_app, routes_map,
+            skip_prefixes=(STATIC_FILE_PREFIX, '/_debug_toolbar'))
 
     pyramid_app, _ = wrap_in_appenlight_if_enabled(pyramid_app, settings)
 
diff --git a/rhodecode/lib/helpers.py b/rhodecode/lib/helpers.py
--- a/rhodecode/lib/helpers.py
+++ b/rhodecode/lib/helpers.py
@@ -48,7 +48,6 @@ from pygments.formatters.html import Htm
 from pygments import highlight as code_highlight
 from pygments.lexers import (
     get_lexer_by_name, get_lexer_for_filename, get_lexer_for_mimetype)
-from pylons import url as pylons_url
 from pylons.i18n.translation import _, ungettext
 from pyramid.threadlocal import get_current_request
 
@@ -94,6 +93,7 @@ DEFAULT_USER_EMAIL = User.DEFAULT_USER_E
 
 
 def url(*args, **kw):
+    from pylons import url as pylons_url
     return pylons_url(*args, **kw)
 
 
@@ -103,6 +103,7 @@ def pylons_url_current(*args, **kw):
     path so that it will also work from a pyramid only context. This
     should be removed once port to pyramid is complete.
     """
+    from pylons import url as pylons_url
     if not args and not kw:
         request = get_current_request()
         return request.path
diff --git a/rhodecode/subscribers.py b/rhodecode/subscribers.py
--- a/rhodecode/subscribers.py
+++ b/rhodecode/subscribers.py
@@ -232,8 +232,10 @@ def write_js_routes_if_enabled(event):
 
     def get_routes():
         # pylons routes
-        for route in rhodecode.CONFIG['routes.map'].jsroutes():
-            yield route
+        # TODO(marcink): remove when pyramid migration is finished
+        if 'routes.map' in rhodecode.CONFIG:
+            for route in rhodecode.CONFIG['routes.map'].jsroutes():
+                yield route
 
         # pyramid routes
         for route in mapper.get_routes():