fix https://trac.osgeo.org/grass/changeset/36993

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@36994 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/menuform.py

@@ -188,7 +188,7 @@ class UpdateThread(Thread):
             if eventId is None:
                 return
         
-        p = self.task.get_param(self.eventId, element='wxId', raiseError=True)
+        p = self.task.get_param(self.eventId, element='wxId', raiseError=False)
         
         if not p or \
                 not p.has_key('wxId-bind'):