py3: slice over bytes to prevent getting ascii values

Differential Revision: https://phab.mercurial-scm.org/D2256

mercurial/graphmod.py

@@ -454,7 +454,7 b' def ascii(ui, state, type, char, text, c'
     if any(len(char) > 1 for char in edgemap.values()):
         # limit drawing an edge to the first or last N lines of the current
         # section the rest of the edge is drawn like a parent line.
-        parent = state['styles'][PARENT][-1]
+        parent = state['styles'][PARENT][-1:]
         def _drawgp(char, i):
             # should a grandparent character be drawn for this line?
             if len(char) < 2:
@@ -463,7 +463,7 b' def ascii(ui, state, type, char, text, c'
             # either skip first num lines or take last num lines, based on sign
             return -num <= i if num < 0 else (len(lines) - i) <= num
         for i, line in enumerate(lines):
-            line[:] = [c[-1] if _drawgp(c, i) else parent for c in line]
+            line[:] = [c[-1:] if _drawgp(c, i) else parent for c in line]
         edgemap.update(
             (e, (c if len(c) < 2 else parent)) for e, c in edgemap.items())
 

mercurial/hgweb/webutil.py

@@ -619,7 +619,7 b' def getwebsubs(repo):'
     websubdefs += repo.ui.configitems('interhg')
     for key, pattern in websubdefs:
         # grab the delimiter from the character after the "s"
-        unesc = pattern[1]
+        unesc = pattern[1:2]
         delim = re.escape(unesc)
 
         # identify portions of the pattern, taking care to avoid escaped