docstring: Use user_ids for typing endpoint.

Author: Steve Howell

zulip/zulip/__init__.py

@@ -1397,7 +1397,7 @@ def set_typing_status(self, request):
             Example usage:
             >>> client.set_typing_status({
                 'op': 'start',
-                'to': ['[email protected]', '[email protected]'],
+                'to': [9, 10],
             })
             {'result': 'success', 'msg': ''}
         '''