--- a/mercurial/revset.py	Thu Apr 29 22:01:04 2021 +0200
+++ b/mercurial/revset.py	Tue Jan 31 11:41:59 2023 +0100
@@ -10,7 +10,6 @@
 import functools
 import random
 import re
-import sys
 
 from .i18n import _
 from .pycompat import getattr
@@ -2352,7 +2351,7 @@
     return subset & s.filter(filter, condrepr=b'<roots>')
 
 
-MAXINT = sys.maxsize
+MAXINT = (1 << 31) - 1
 MININT = -MAXINT - 1