diff -r 47fac1692ede -r 9f70512ae2cf mercurial/error.py
--- a/mercurial/error.py	Sun Nov 10 07:30:14 2019 -0800
+++ b/mercurial/error.py	Fri Nov 08 11:19:20 2019 -0800
@@ -34,7 +34,7 @@
     """
 
     def __init__(self, *args, **kw):
-        self.hint = kw.pop(r'hint', None)
+        self.hint = kw.pop('hint', None)
         super(Hint, self).__init__(*args, **kw)