fix OMCPathCompatibility

Author: syntron

OMPython/OMCSession.py

@@ -415,7 +415,7 @@ def size(self) -> int:
 
 if sys.version_info < (3, 12):
 
-    class OMCPathCompatibility(pathlib.PurePath):
+    class OMCPathCompatibility(pathlib.Path):
         """
         Compatibility class for OMCPath in Python < 3.12. This allows to run all code which uses OMCPath (mainly
         ModelicaSystem) on these Python versions. There is one remaining limitation: only OMCProcessLocal will work as