Adding a small check to ensure we do not continue to populate kwargs with __pub_ items from the kwargs item.

salt/utils/schedule.py

@@ -845,6 +845,7 @@ class Schedule(object):
             if argspec.keywords:
                 # this function accepts **kwargs, pack in the publish data
                 for key, val in six.iteritems(ret):
+                    if key is not 'kwargs':
                         kwargs['__pub_{0}'.format(key)] = copy.deepcopy(val)
 
             ret['return'] = self.functions[func](*args, **kwargs)