remove erroneously committed pdb

lib/sqlalchemy/orm/strategies.py

@@ -118,8 +118,6 @@ class ColumnLoader(LoaderStrategy):
 
     def setup_query(self, context, entity, path, reduced_path, adapter, 
                             column_collection=None, **kwargs):
-#        import pdb
-#        pdb.set_trace()
         for c in self.columns:
             if adapter:
                 c = adapter.columns[c]