--- a/hgext3rd/evolve/obshistory.py	Thu Jan 11 17:11:10 2018 +0530
+++ b/hgext3rd/evolve/obshistory.py	Thu Jan 11 17:54:34 2018 +0530
@@ -163,10 +163,6 @@
 
     return True, succ
 
-def _indent(content, indent=4):
-    extra = ' ' * indent
-    return "".join(extra + line for line in content.splitlines(True))
-
 def getmarkerdescriptionpatch(repo, base, succ):
     basectx = repo[base]
     succctx = repo[succ]