--- a/hgext/show.py Wed Jul 19 13:17:49 2017 -0700
+++ b/hgext/show.py Wed Apr 03 11:21:27 2019 -0700
@@ -243,7 +243,7 @@
else:
newheads = set()
- allrevs = set(stackrevs) | newheads | set([baserev])
+ allrevs = set(stackrevs) | newheads | {baserev}
nodelen = longestshortest(repo, allrevs)
try: