diff --git a/graphene/relay/types.py b/graphene/relay/types.py
index db4ea8e6..ced0140c 100644
--- a/graphene/relay/types.py
+++ b/graphene/relay/types.py
@@ -90,12 +90,12 @@ class Connection(ObjectType):
     def from_list(cls, iterable, args, context, info, total_count=None):
         assert isinstance(
             iterable, Iterable), 'Resolved value from the connection field have to be iterable'
-        
+
         list_slice_length = len(iterable)
         list_length = total_count if total_count else list_slice_length
-        
+
         connection = connection_from_list_slice(
-            iterable, args, connection_type=cls, 
+            iterable, args, connection_type=cls,
             edge_type=cls.edge_type, pageinfo_type=PageInfo,
             list_length=list_length, list_slice_length=list_slice_length)
         connection.set_connection_data(iterable)