[OMCSession] fix import order; zmq is a 3rd party package (#416)

Co-authored-by: Adeel Asghar <adeel.asghar@liu.se>

Author: syntron

OMPython/OMCSession.py

@@ -23,10 +23,10 @@
 from typing import Any, Optional, Tuple
 import uuid
 import warnings
-import zmq
 
 import psutil
 import pyparsing
+import zmq
 
 # TODO: replace this with the new parser
 from OMPython.OMTypedParser import om_parser_typed