diff -r 55d45d0de4e7 -r a87338fe8cfa mercurial/scmposix.py
--- a/mercurial/scmposix.py	Wed Dec 14 01:51:33 2022 -0500
+++ b/mercurial/scmposix.py	Wed Dec 14 22:22:12 2022 -0500
@@ -88,7 +88,7 @@
         except ValueError:
             pass
         except IOError as e:
-            if e[0] == errno.EINVAL:  # pytype: disable=unsupported-operands
+            if e.errno == errno.EINVAL:
                 pass
             else:
                 raise