# HG changeset patch
# User Pulkit Goyal <7895pulkit@gmail.com>
# Date 2018-02-05 07:28:51
# Node ID 558e01a23f400c78fef7dc3f7216cbfcaebbacd3
# Parent  78b985c75731ba2bdf0a8d99497b14fbb222f080

py3: slice on bytes to prevent getting the ascii values

Differential Revision: https://phab.mercurial-scm.org/D2039

diff --git a/mercurial/scmutil.py b/mercurial/scmutil.py
--- a/mercurial/scmutil.py
+++ b/mercurial/scmutil.py
@@ -1196,7 +1196,7 @@ class simplekeyvaluefile(object):
             if k == self.firstlinekey:
                 e = "key name '%s' is reserved" % self.firstlinekey
                 raise error.ProgrammingError(e)
-            if not k[0].isalpha():
+            if not k[0:1].isalpha():
                 e = "keys must start with a letter in a key-value file"
                 raise error.ProgrammingError(e)
             if not k.isalnum():