with: use context manager for wlock in removelargefiles

hgext/largefiles/overrides.py

@@ -196,8 +196,7 b' def removelargefiles(ui, repo, isaddremo'
 
     # Need to lock because standin files are deleted then removed from the
     # repository and we could race in-between.
-    wlock = repo.wlock()
-    try:
+    with repo.wlock():
         lfdirstate = lfutil.openlfdirstate(ui, repo)
         for f in sorted(remove):
             if ui.verbose or not m.exact(f):
@@ -228,8 +227,6 b' def removelargefiles(ui, repo, isaddremo'
                                   False)
 
         lfdirstate.write()
-    finally:
-        wlock.release()
 
     return result