diff options
Diffstat (limited to 'lib/sqlalchemy/sql/visitors.py')
| -rw-r--r-- | lib/sqlalchemy/sql/visitors.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/sqlalchemy/sql/visitors.py b/lib/sqlalchemy/sql/visitors.py index deb92b081..b08080753 100644 --- a/lib/sqlalchemy/sql/visitors.py +++ b/lib/sqlalchemy/sql/visitors.py @@ -59,7 +59,7 @@ def _generate_compiler_dispatch(cls): cls._original_compiler_dispatch = cls._compiler_dispatch return - if not isinstance(visit_name, util.compat.string_types): + if not isinstance(visit_name, str): raise exc.InvalidRequestError( "__visit_name__ on class %s must be a string at the class level" % cls.__name__ @@ -114,7 +114,7 @@ class TraversibleType(type): super(TraversibleType, cls).__init__(clsname, bases, clsdict) -class Traversible(util.with_metaclass(TraversibleType)): +class Traversible(metaclass=TraversibleType): """Base class for visitable objects, applies the :class:`.visitors.TraversibleType` metaclass. @@ -200,7 +200,7 @@ def _generate_dispatcher(visitor, internal_dispatch, method_name): return langhelpers._exec_code_in_env(meth_text, {}, method_name) -class InternalTraversal(util.with_metaclass(_InternalTraversalType, object)): +class InternalTraversal(metaclass=_InternalTraversalType): r"""Defines visitor symbols used for internal traversal. The :class:`.InternalTraversal` class is used in two ways. One is that |