diff -r b1c713ab785d -r 238646784294 hgext/convert/subversion.py
--- a/hgext/convert/subversion.py	Sun Feb 18 00:35:37 2018 -0500
+++ b/hgext/convert/subversion.py	Sun Feb 18 00:43:50 2018 -0500
@@ -384,7 +384,7 @@
 
     def setrevmap(self, revmap):
         lastrevs = {}
-        for revid in revmap.iterkeys():
+        for revid in revmap:
             uuid, module, revnum = revsplit(revid)
             lastrevnum = lastrevs.setdefault(module, revnum)
             if revnum > lastrevnum: