??? OM stderr is not allways an error ...

Author: syntron

OMPython/OMCSession.py

@@ -583,7 +583,10 @@ def sendExpression(self, command, parsed=True):
             error_raw = self._omc.recv_string()
             error_str = om_parser_typed(error_raw)
             if error_str:
-                raise OMCSessionException(f"OM Error for 'sendExpression({command}, {parsed})': {error_str}")
+                if "Error" in error_str:
+                    raise OMCSessionException(f"OM Error for 'sendExpression({command}, {parsed})': {error_str}")
+                else:
+                    logger.warning(f"[OM]: {error_str}")
 
             if parsed is True:
                 answer = om_parser_typed(result)