diff --git a/rhodecode/lib/middleware/simplegit.py b/rhodecode/lib/middleware/simplegit.py
--- a/rhodecode/lib/middleware/simplegit.py
+++ b/rhodecode/lib/middleware/simplegit.py
@@ -55,8 +55,7 @@ class SimpleGitUploadPackHandler(dulserv
         self.progress("counting objects: %d, done.\n" % len(objects_iter))
         dulserver.write_pack_objects(dulserver.ProtocolFile(None, write),
                                      objects_iter)
-        messages = []
-        messages.append('thank you for using rhodecode')
+        messages = ['thank you for using rhodecode']
 
         for msg in messages:
             self.progress(msg + "\n")
@@ -97,7 +96,7 @@ def is_git(environ):
     path_info = environ['PATH_INFO']
     isgit_path = GIT_PROTO_PAT.match(path_info)
     log.debug('pathinfo: %s detected as GIT %s' % (
-        path_info, isgit_path != None)
+        path_info, isgit_path is not None)
     )
     return isgit_path
 
@@ -222,8 +221,7 @@ class SimpleGit(BaseVCSController):
             # store the make_lock for later evaluation in hooks
             extras.update({'make_lock': make_lock,
                            'locked_by': locked_by})
-        # set the environ variables for this request
-        os.environ['RC_SCM_DATA'] = json.dumps(extras)
+
         fix_PATH()
         log.debug('HOOKS extras is %s' % extras)
         baseui = make_ui('db')