random pep8

chatter/chatterbot/conversation.py

@@ -149,11 +149,7 @@ class Statement(StatementMixin):
         :returns: A dictionary representation of the statement object.
         :rtype: dict
         """
-        data = {}
-
-        data['text'] = self.text
-        data['in_response_to'] = []
-        data['extra_data'] = self.extra_data
+        data = {'text': self.text, 'in_response_to': [], 'extra_data': self.extra_data}
 
         for response in self.in_response_to:
             data['in_response_to'].append(response.serialize())
@@ -212,11 +208,6 @@ class Response(object):
         return self.text == other
 
     def serialize(self):
-        data = {}
-
-        data['text'] = self.text
-        data['created_at'] = self.created_at.isoformat()
-
-        data['occurrence'] = self.occurrence
+        data = {'text': self.text, 'created_at': self.created_at.isoformat(), 'occurrence': self.occurrence}
 
         return data

chatter/chatterbot/storage/sql_storage.py

@@ -183,7 +183,7 @@ class SQLStorageAdapter(StorageAdapter):
                     if isinstance(_filter, list):
                         if len(_filter) == 0:
                             _query = _response_query.filter(
-                                Statement.in_response_to == None  # NOQA Here must use == instead of is
+                                Statement.in_response_to is None  # NOQA Here must use == instead of is
                             )
                         else:
                             for f in _filter:
@@ -193,7 +193,7 @@ class SQLStorageAdapter(StorageAdapter):
                         if fp == 'in_response_to__contains':
                             _query = _response_query.join(Response).filter(Response.text == _filter)
                         else:
-                            _query = _response_query.filter(Statement.in_response_to == None)  # NOQA
+                            _query = _response_query.filter(Statement.in_response_to is None)  # NOQA
                 else:
                     if _query:
                         _query = _query.filter(Response.statement_text.like('%' + _filter + '%'))