From patchwork Fri Mar 12 18:09:46 2021
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Subject: D10180: typing: add an assertion to the upgrade engine to help pytype
From: phabricator <phabricator@mercurial-scm.org>
X-Patchwork-Id: 48492
Message-Id: <differential-rev-PHID-DREV-q6ysxmghtzvbhw7ygymc-req@mercurial-scm.org>
To: Phabricator <phabricator@mercurial-scm.org>
Cc: mercurial-devel@mercurial-scm.org
Date: Fri, 12 Mar 2021 18:09:46 +0000

mharbison72 created this revision.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.

REPOSITORY
  rHG Mercurial

BRANCH
  stable

REVISION DETAIL
  https://phab.mercurial-scm.org/D10180

AFFECTED FILES
  mercurial/upgrade_utils/engine.py

CHANGE DETAILS




To: mharbison72, #hg-reviewers
Cc: mercurial-patches, mercurial-devel

diff --git a/mercurial/upgrade_utils/engine.py b/mercurial/upgrade_utils/engine.py
--- a/mercurial/upgrade_utils/engine.py
+++ b/mercurial/upgrade_utils/engine.py
@@ -516,6 +516,7 @@
     # reference to its new location. So clean it up manually. Alternatively, we
     # could update srcrepo.svfs and other variables to point to the new
     # location. This is simpler.
+    assert backupvfs is not None  # help pytype
     backupvfs.unlink(b'store/lock')
 
     return backuppath