with: use context manager for wlock in overriderevert

hgext/largefiles/overrides.py

@@ -717,8 +717,7 b' def overriderevert(orig, ui, repo, ctx, '
     # Because we put the standins in a bad state (by updating them)
     # and then return them to a correct state we need to lock to
     # prevent others from changing them in their incorrect state.
-    wlock = repo.wlock()
-    try:
+    with repo.wlock():
         lfdirstate = lfutil.openlfdirstate(ui, repo)
         s = lfutil.lfdirstatestatus(lfdirstate, repo)
         lfdirstate.write()
@@ -778,9 +777,6 b' def overriderevert(orig, ui, repo, ctx, '
         lfcommands.updatelfiles(ui, repo, filelist, printmessage=False,
                                 normallookup=True)
 
-    finally:
-        wlock.release()
-
 # after pulling changesets, we need to take some extra care to get
 # largefiles updated remotely
 def overridepull(orig, ui, repo, source=None, **opts):