Remove redundant parentheses

Author: hugovk

elasticsearch_dsl/response/__init__.py

@@ -28,7 +28,7 @@ def __len__(self):
         return len(self.hits)
 
     def __getstate__(self):
-        return (self._d_, self._search, self._doc_class)
+        return self._d_, self._search, self._doc_class
 
     def __setstate__(self, state):
         super(AttrDict, self).__setattr__('_d_', state[0])

elasticsearch_dsl/search.py

@@ -57,7 +57,7 @@ def __setattr__(self, attr_name, value):
         super(QueryProxy, self).__setattr__(attr_name, value)
 
     def __getstate__(self):
-        return (self._search, self._proxied, self._attr_name)
+        return self._search, self._proxied, self._attr_name
 
     def __setstate__(self, state):
         self._search, self._proxied, self._attr_name = state

elasticsearch_dsl/utils.py

@@ -74,7 +74,7 @@ def __getattr__(self, name):
         return getattr(self._l_, name)
 
     def __getstate__(self):
-        return (self._l_, self._obj_wrapper)
+        return self._l_, self._obj_wrapper
 
     def __setstate__(self, state):
         self._l_, self._obj_wrapper = state
@@ -117,7 +117,7 @@ def __repr__(self):
         return r
 
     def __getstate__(self):
-        return (self._d_, )
+        return self._d_,
 
     def __setstate__(self, state):
         super(AttrDict, self).__setattr__('_d_', state[0])
@@ -428,7 +428,7 @@ def _from_dict(self, data):
             setattr(self, k, v)
 
     def __getstate__(self):
-        return (self.to_dict(), self.meta._d_)
+        return self.to_dict(), self.meta._d_
 
     def __setstate__(self, state):
         data, meta = state