diff --git a/venus/api/openstack/wsgi.py b/venus/api/openstack/wsgi.py
index a90d74c..ef120d9 100644
--- a/venus/api/openstack/wsgi.py
+++ b/venus/api/openstack/wsgi.py
@@ -1001,7 +1001,7 @@ class Resource(wsgi.Application):
 
         project_id = action_args.pop("project_id", None)
         context = request.environ.get('venus.context')
-        if (context and project_id and (project_id != context.project_id)):
+        if context and project_id and (project_id != context.project_id):
             msg = _("Malformed request url")
             return Fault(webob.exc.HTTPBadRequest(explanation=msg))
 
diff --git a/venus/cmd/manage.py b/venus/cmd/manage.py
index f1b803a..91cb3ce 100644
--- a/venus/cmd/manage.py
+++ b/venus/cmd/manage.py
@@ -224,7 +224,6 @@ class GetLogCommands(object):
         """Get <num_entries> of the venus syslog events."""
         entries = int(num_entries)
         count = 0
-        log_file = ''
         if os.path.exists('/var/log/syslog'):
             log_file = '/var/log/syslog'
         elif os.path.exists('/var/log/messages'):
@@ -305,7 +304,6 @@ category_opt = cfg.SubCommandOpt('category',
 
 
 def get_arg_string(args):
-    arg = None
     if args[0] == '-':
         # (Note)zhiteng: args starts with FLAGS.oparser.prefix_chars
         # is optional args. Notice that cfg module takes care of