--- a/mercurial/dirstate.py Sat Mar 03 06:41:52 2018 -0500
+++ b/mercurial/dirstate.py Sat Mar 03 06:44:47 2018 -0500
@@ -1431,7 +1431,7 @@
# This heuristic is imperfect in many ways, so in a future dirstate
# format update it makes sense to just record the number of entries
# on write.
- self._map = parsers.dict_new_presized(len(st) / 71)
+ self._map = parsers.dict_new_presized(len(st) // 71)
# Python's garbage collector triggers a GC each time a certain number
# of container objects (the number being defined by