diff --git a/kallithea/controllers/files.py b/kallithea/controllers/files.py
--- a/kallithea/controllers/files.py
+++ b/kallithea/controllers/files.py
@@ -204,7 +204,6 @@ class FilesController(BaseRepoController
     @jsonify
     def history(self, repo_name, revision, f_path):
         changeset = self.__get_cs(revision)
-        f_path = f_path
         _file = changeset.get_node(f_path)
         if _file.is_file():
             file_history, _hist = self._get_node_history(changeset, f_path)
@@ -227,7 +226,6 @@ class FilesController(BaseRepoController
                                    'repository.admin')
     def authors(self, repo_name, revision, f_path):
         changeset = self.__get_cs(revision)
-        f_path = f_path
         _file = changeset.get_node(f_path)
         if _file.is_file():
             file_history, _hist = self._get_node_history(changeset, f_path)
diff --git a/kallithea/controllers/pullrequests.py b/kallithea/controllers/pullrequests.py
--- a/kallithea/controllers/pullrequests.py
+++ b/kallithea/controllers/pullrequests.py
@@ -613,7 +613,6 @@ class PullrequestsController(BaseRepoCon
          c.a_rev) = c.pull_request.other_ref.split(':') # a_rev is ancestor
 
         org_scm_instance = c.cs_repo.scm_instance # property with expensive cache invalidation check!!!
-        c.cs_repo = c.cs_repo
         try:
             c.cs_ranges = [org_scm_instance.get_changeset(x)
                            for x in c.pull_request.revisions]
diff --git a/kallithea/lib/utils.py b/kallithea/lib/utils.py
--- a/kallithea/lib/utils.py
+++ b/kallithea/lib/utils.py
@@ -595,8 +595,6 @@ def create_test_index(repo_location, con
     from kallithea.lib.indexers.daemon import WhooshIndexingDaemon
     from kallithea.lib.pidlock import DaemonLock, LockHeld
 
-    repo_location = repo_location
-
     index_location = os.path.join(config['app_conf']['index_dir'])
     if not os.path.exists(index_location):
         os.makedirs(index_location)
diff --git a/kallithea/model/repo_group.py b/kallithea/model/repo_group.py
--- a/kallithea/model/repo_group.py
+++ b/kallithea/model/repo_group.py
@@ -240,7 +240,7 @@ class RepoGroupModel(BaseModel):
             # iterated obj is an instance of a repos group or repository in
             # that group, recursive option can be: none, repos, groups, all
             if recursive == 'all':
-                obj = obj
+                pass
             elif recursive == 'repos':
                 # skip groups, other than this one
                 if isinstance(obj, RepoGroup) and not obj == repo_group:
@@ -346,7 +346,7 @@ class RepoGroupModel(BaseModel):
             # iterated obj is an instance of a repos group or repository in
             # that group, recursive option can be: none, repos, groups, all
             if recursive == 'all':
-                el = el
+                pass
             elif recursive == 'repos':
                 # skip groups, other than this one
                 if isinstance(el, RepoGroup) and not el == repo_group:
@@ -401,7 +401,7 @@ class RepoGroupModel(BaseModel):
             # iterated obj is an instance of a repos group or repository in
             # that group, recursive option can be: none, repos, groups, all
             if recursive == 'all':
-                el = el
+                pass
             elif recursive == 'repos':
                 # skip groups, other than this one
                 if isinstance(el, RepoGroup) and not el == repo_group: