Fix flake8 error.

Author: jhgg

epoxy/metaclasses/object_type.py

@@ -58,7 +58,7 @@ def _build_field_map(class_ref, declared_fields):
         known_interface_resolvers = {}
 
         for interface in interfaces:
-            interface.get_fields() # This triggers the interface to resolve the field thunks.
+            interface.get_fields()  # This triggers the interface to resolve the field thunks.
             fields += registry._get_interface_declared_fields(interface)
 
         for field_attr_name, field in fields: