diff options
Diffstat (limited to 'lib/sqlalchemy/schema.py')
| -rw-r--r-- | lib/sqlalchemy/schema.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sqlalchemy/schema.py b/lib/sqlalchemy/schema.py index 6878b9c89..1df2d3005 100644 --- a/lib/sqlalchemy/schema.py +++ b/lib/sqlalchemy/schema.py @@ -710,12 +710,12 @@ class DynamicMetaData(MetaData): self.__engines[engine_or_url] = engine_or_url self.context._engine = engine_or_url def is_bound(self): - return self.context._engine is not None + return hasattr(self.context, '_engine') and self.context._engine is not None def dispose(self): """disposes all Engines to which this DynamicMetaData has been connected.""" for e in self.__engines.values(): e.dispose() - engine=property(lambda s:s.context._engine) + engine=property(lambda s:hasattr(s.context, '_engine') and s.context._engine or None) class SchemaVisitor(sql.ClauseVisitor): """defines the visiting for SchemaItem objects""" |