Remove redundant parentheses (except openstack.common)

Change-Id: I594234648a37d283559a0365969a7fe3609079f8

ceilometerclient/client.py

@@ -48,7 +48,7 @@ def _discover_auth_versions(session, auth_url):
             raise exc.CommandError('Unable to determine the Keystone '
                                    'version to authenticate with '
                                    'using the given auth_url.')
-    return (v2_auth_url, v3_auth_url)
+    return v2_auth_url, v3_auth_url
 
 
 def _get_keystone_session(**kwargs):

ceilometerclient/v1/meters.py

@@ -51,7 +51,7 @@ class UserManager(base.Manager):
     def list(self, **kwargs):
         s = kwargs.get('source')
         if s:
-            path = '/sources/%s/users' % (s)
+            path = '/sources/%s/users' % s
         else:
             path = '/users'
         return self._list('/v1%s' % path, 'users')
@@ -100,17 +100,17 @@ class ResourceManager(base.Manager):
         opts_path = _get_opt_path(['start_timestamp', 'end_timestamp'],
                                   **kwargs)
         if u:
-            path = '/users/%s/resources' % (u)
+            path = '/users/%s/resources' % u
         elif s:
-            path = '/sources/%s/resources' % (s)
+            path = '/sources/%s/resources' % s
         elif p:
-            path = '/projects/%s/resources' % (p)
+            path = '/projects/%s/resources' % p
         else:
             path = '/resources'
         if opts_path:
             path = '/v1%s?%s' % (path, opts_path)
         else:
-            path = '/v1%s' % (path)
+            path = '/v1%s' % path
         return self._list(path, 'resources')
 
 
@@ -152,7 +152,7 @@ class SampleManager(base.Manager):
         if opts_path:
             path = '/v1%s?%s' % (path, opts_path)
         else:
-            path = '/v1%s' % (path)
+            path = '/v1%s' % path
         return self._list(path, 'events')
 
 
@@ -186,5 +186,5 @@ class MeterManager(base.Manager):
         if opts_path:
             path = '/v1%s?%s' % (path, opts_path)
         else:
-            path = '/v1%s' % (path)
+            path = '/v1%s' % path
         return self._list(path, 'meters')

ceilometerclient/v2/options.py

@@ -99,7 +99,7 @@ def cli_to_array(cli_query):
         if not len(value):
             _value_error('value')
 
-        return (field, operator, value)
+        return field, operator, value
 
     def split_by_data_type(query_value):
         frags = DATA_TYPE_RE.match(query_value)