Pass flake8

Author: tr11

src/gino/crud.py

@@ -579,7 +579,8 @@ def lookup(self):
         """
         exps = []
         for c in self.__table__.primary_key.columns:
-            exps.append(c == getattr(self, self._column_name_map.invert_get(c.name)))
+            exps.append(c == getattr(self,
+                                     self._column_name_map.invert_get(c.name)))
         if exps:
             return sa.and_(*exps)
         else: