D4246: beautifygraph: use slicing instead of subscripting on bytestr

[durin42 (Augie Fackler)]

durin42 created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D4246

AFFECTED FILES
  hgext/beautifygraph.py

CHANGE DETAILS

diff --git a/hgext/beautifygraph.py b/hgext/beautifygraph.py
--- a/hgext/beautifygraph.py
+++ b/hgext/beautifygraph.py
@@ -55,7 +55,9 @@
     line = ' %s ' % line
     pretty = []
     for idx in pycompat.xrange(len(line) - 2):
-        pretty.append(prettyedge(line[idx], line[idx + 1], line[idx + 2]))
+        pretty.append(prettyedge(line[idx:idx + 1],
+                                 line[idx + 1:idx + 2],
+                                 line[idx + 2:idx + 3]))
     return ''.join(pretty)
 
 def getprettygraphnode(orig, *args, **kwargs):



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