Fixes #61, use re submodules instead of sre_{parse,constants}

Author: mschwager

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Use `re` submodules instead of `sre_parse` and `sre_constants` ([#61](https://github.com/dlint-py/dlint/issues/61))
+
 ## [0.16.0] - 2024-10-31
 
 ### Added

dlint/redos/detect.py

@@ -1,12 +1,16 @@
 #!/usr/bin/env python
 
-import sre_constants
-import sre_parse
-
 import collections
 import itertools
 import sys
 
+if sys.version_info >= (3, 11):
+    import re._constants as sre_constants
+    import re._parser as sre_parse
+else:
+    import sre_constants
+    import sre_parse
+
 CR = collections.namedtuple('CR', ['cr_min', 'cr_max'])
 
 CATEGORY_TO_RANGE = {