migrate importlib to resolve warning about pkg_resources

src_py/pkgdata.py

@@ -22,7 +22,24 @@ def getResource(identifier, pkgname=__name__):
 import os
 
 try:
-    from pkg_resources import resource_stream, resource_exists
+    import importlib_resources
+
+    def resource_exists(_package_or_requirement, _resource_name):
+        return (
+            importlib_resources.files(_package_or_requirement)
+            .joinpath(_resource_name)
+            .is_file()
+        )
+
+    def resource_stream(_package_or_requirement, _resource_name):
+        ref = (
+            importlib_resources.files(_package_or_requirement)
+            .joinpath(_resource_name)
+            .is_file()
+        )
+        return ref.open('rb')
+
+
 except ImportError:
 
     def resource_exists(_package_or_requirement, _resource_name):