def _key_fallback(self, key, raiseerr=True):
map = self._keymap
result = None
- if isinstance(key, str):
+ if isinstance(key, util.string_types):
result = map.get(key if self.case_sensitive else key.lower())
# fallback for targeting a ColumnElement to a textual expression
# this is a rare use case which only occurs when matching text()
'_pickled_keymap': dict(
(key, index)
for key, (processor, obj, index) in self._keymap.items()
- if isinstance(key, (str, int))
+ if isinstance(key, util.string_types + util.int_types)
),
'keys': self.keys,
"case_sensitive": self.case_sensitive,