Martin von Zweigbergk <martinvonz@google.com> [Mon, 19 Aug 2019 10:38:38 -0700] rev 42783
perf: handle NameError for `pycompat.foo` when pycompat wasn't imported
On old Mercurial versions, we won't have a pycompat variable defined,
and then `pycompat.foo` will raise a NameError.
Differential Revision: https://phab.mercurial-scm.org/D6743