diff --git a/chatterbot/storage/sql_storage.py b/chatterbot/storage/sql_storage.py
index 8fbf2d2b2..c8d79bea7 100644
--- a/chatterbot/storage/sql_storage.py
+++ b/chatterbot/storage/sql_storage.py
@@ -190,7 +190,8 @@ def filter(self, **kwargs):
                     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 == None  # NOQA Here must use == instead of is
+                            )
                         else:
                             for f in _filter:
                                 _query = _response_query.filter(
diff --git a/requirements.txt b/requirements.txt
index 455b9281e..cd0a22add 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ nltk>=3.2,<4.0
 pymongo>=3.3,<4.0
 python-dateutil>=2.6,<2.7
 python-twitter>=3.0,<4.0
-sqlalchemy>=1.1,<1.2
+sqlalchemy>=1.2,<1.3