[ModelicaSystem] shortcut to use OMCPath = OMPathABC for now

Author: syntron

OMPython/ModelicaSystem.py

@@ -28,9 +28,12 @@
     OMCSessionException,
     OMCSession,
     OMCSessionLocal,
-    OMCPath,
+
+    OMPathABC,
 )
 
+OMCPath = OMPathABC
+
 # define logger using the current module name as ID
 logger = logging.getLogger(__name__)