Formmatting and conditional imports based on python version

clorm/orm/_typing.py

@@ -1,5 +1,5 @@
-import sys
 import inspect
+import sys
 from inspect import FrameInfo
 from typing import Any, Dict, ForwardRef, Optional, Tuple, Type, TypeVar, Union, _eval_type, cast
 

requirements.txt

@@ -1,3 +1,3 @@
 clingo>=5.5.1
-typing_extensions; python_version < '3.8'
+typing_extensions; python_version < '3.11'
 dataclasses; python_version == '3.6'

tests/test_mypy_query.py

@@ -1,6 +1,10 @@
+import sys
 from typing import Tuple
 
-from typing_extensions import reveal_type
+if sys.version_info < (3, 11):
+    from typing_extensions import reveal_type
+else:
+    from typing import reveal_type
 
 from clorm import FactBase, Predicate
 from clorm.orm._queryimpl import GroupedQuery, UnGroupedQuery