diff -r 829088e87032 -r c95b2f40db7c mercurial/pycompat.py
--- a/mercurial/pycompat.py	Sun Oct 06 14:58:41 2019 -0400
+++ b/mercurial/pycompat.py	Sun Oct 06 17:45:05 2019 -0400
@@ -270,7 +270,7 @@
     def getdoc(obj):
         """Get docstring as bytes; may be None so gettext() won't confuse it
         with _('')"""
-        doc = getattr(obj, u'__doc__', None)
+        doc = getattr(obj, '__doc__', None)
         if doc is None:
             return doc
         return sysbytes(doc)