Chore: Restore compatibility with Python 3.8 and 3.9

pyproject.toml

@@ -107,6 +107,7 @@ dependencies = [
   "attrs<25",
   "backports-strenum<1.3; python_version<'3.11'",
   "cattrs<25",
+  "importlib-resources<6.5; python_version<'3.10'",
   "python-dateutil<3",
   "simplejson<4",
   "sqlalchemy-cratedb>=0.39.0",

src/zyp/util/expression.py

@@ -1,5 +1,10 @@
-import importlib
-import importlib.resources
+import sys
+
+if sys.version_info >= (3, 10):
+    from importlib.resources import files as resource_files
+else:  # pragma: no cover
+    from importlib_resources import files as resource_files
+
 import typing as t
 
 import jmespath
@@ -10,7 +15,7 @@
 
 # TODO: Is there a better way to configure jq using a custom search path
 #       instead of injecting the `include` statement each time again?
-jq_functions_path = importlib.resources.files("zyp")
+jq_functions_path = resource_files("zyp")
 jq_functions_import = f'include "function" {{"search": "{jq_functions_path}"}};'