diff -r 6b52cffd8d0a -r e2f7b2695ba1 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Tue Mar 02 00:05:22 2021 +0100
+++ b/mercurial/localrepo.py	Thu Mar 18 18:24:59 2021 -0400
@@ -2336,6 +2336,7 @@
 
             def tracktags(tr2):
                 repo = reporef()
+                assert repo is not None  # help pytype
                 oldfnodes = tagsmod.fnoderevs(repo.ui, repo, oldheads)
                 newheads = repo.changelog.headrevs()
                 newfnodes = tagsmod.fnoderevs(repo.ui, repo, newheads)
@@ -2372,6 +2373,7 @@
             # gating.
             tracktags(tr2)
             repo = reporef()
+            assert repo is not None  # help pytype
 
             singleheadopt = (b'experimental', b'single-head-per-branch')
             singlehead = repo.ui.configbool(*singleheadopt)
@@ -2475,6 +2477,8 @@
 
             def hookfunc(unused_success):
                 repo = reporef()
+                assert repo is not None  # help pytype
+
                 if hook.hashook(repo.ui, b'txnclose-bookmark'):
                     bmchanges = sorted(tr.changes[b'bookmarks'].items())
                     for name, (old, new) in bmchanges:
@@ -2506,7 +2510,9 @@
                     b'txnclose', throw=False, **pycompat.strkwargs(hookargs)
                 )
 
-            reporef()._afterlock(hookfunc)
+            repo = reporef()
+            assert repo is not None  # help pytype
+            repo._afterlock(hookfunc)
 
         tr.addfinalize(b'txnclose-hook', txnclosehook)
         # Include a leading "-" to make it happen before the transaction summary
@@ -2517,7 +2523,9 @@
 
         def txnaborthook(tr2):
             """To be run if transaction is aborted"""
-            reporef().hook(
+            repo = reporef()
+            assert repo is not None  # help pytype
+            repo.hook(
                 b'txnabort', throw=False, **pycompat.strkwargs(tr2.hookargs)
             )
 
@@ -2700,6 +2708,7 @@
 
         def updater(tr):
             repo = reporef()
+            assert repo is not None  # help pytype
             repo.updatecaches(tr)
 
         return updater
@@ -2915,7 +2924,7 @@
 
         If both 'lock' and 'wlock' must be acquired, ensure you always acquires
         'wlock' first to avoid a dead-lock hazard."""
-        l = self._wlockref and self._wlockref()
+        l = self._wlockref() if self._wlockref else None
         if l is not None and l.held:
             l.lock()
             return l