Fix tests for Python 3.12 support

requirements.txt

@@ -33,4 +33,4 @@ rich==13.3.4
 rich-click==1.6.1
 toml==0.10.2
 tomli==2.0.1
-typing_extensions==4.5.0
+typing_extensions==4.9.0

tests/test_configuration.py

@@ -2,7 +2,6 @@
 from typing import Any, Dict
 from uuid import uuid4
 
-import pkg_resources
 import pytest
 
 from config.common import (
@@ -19,15 +18,25 @@
 from config.yaml import YAMLFile
 
 
+try:
+    from importlib.resources import files
+
+    def _get_file_path(file_name: str) -> str:
+        return str(files("tests") / file_name)
+
+except ImportError:
+    # Python 3.8
+    import pkg_resources
+
+    def _get_file_path(file_name: str) -> str:
+        return pkg_resources.resource_filename(__name__, f"./{file_name}")
+
+
 class FooSource(ConfigurationSource):
     def get_values(self) -> Dict[str, Any]:
         return {}
 
 
-def _get_file_path(file_name: str) -> str:
-    return pkg_resources.resource_filename(__name__, f"./{file_name}")
-
-
 def test_builder():
     builder = ConfigurationBuilder()