support older python

Author: a-detiste

docs/source/conf.py

@@ -54,7 +54,10 @@
 # built documents.
 #
 # The short X.Y version.
-import tomllib
+try:
+    import tomllib
+except ImportError:
+    import tomlli as tomllib
 with open("../../pyproject.toml", "rb") as f:
     toml_dict = tomllib.load(f)
 version = toml_dict['project']['version']

requirements.txt

@@ -4,4 +4,5 @@ wheel
 Cython
 Sphinx
 flake8
+tomli; python_version < '3.11'
 pytest>=8.0.0