Update Lib/http/cookies.py

Author: picnixz

Lib/http/cookies.py

@@ -543,8 +543,8 @@ def __repr__(self):
     def js_output(self, attrs=None):
         warnings._deprecated(
             "http.cookies.BaseCookie.js_output",
+            message=warnings._DEPRECATED_MSG + "; use output() instead",
             remove=(3, 19),
-            message="http.cookies.BaseCookie.js_output() is deprecated, use output() instead",
         )
         """Return a string suitable for JavaScript."""
         result = []