Only use tomli in python<3.11 (#100)

Also exclude python 3.7 on Windows from CI test matrix, because this test env doesn't seem to work properly.


Co-authored-by: KotlinIsland <kotlinisland@users.noreply.github.com>
Co-authored-by: Nat Noordanus <n@natn.me>

.github/workflows/ci.yml

@@ -39,6 +39,10 @@ jobs:
       matrix:
         os: [Ubuntu, MacOS, Windows]
         python-version: ['3.7', '3.8', '3.9', '3.10']
+        # TODO: remove this when apparent issue with GitHub actions is fixed
+        exclude:
+        - os: Windows
+          python-version: '3.7'
     runs-on: ${{ matrix.os }}-latest
     steps:
       - uses: actions/checkout@v3

poethepoet/config.py

@@ -1,6 +1,10 @@
 import json
 from pathlib import Path
-import tomli
+
+try:
+    import tomllib as tomli
+except ImportError:
+    import tomli  # type: ignore
 from typing import Any, Dict, Mapping, Optional, Sequence, Tuple, Union
 from .exceptions import PoeException