view .hg-format-source @ 6788:0674b56d3526 stable

topic: drop oldbranchmap context manager, _topiccache is now a mixin

I think this hack was needed back then in d49f75eab6a3 because _topiccache was
a subclass of branchmap.branchcache directly, but now it's a mixin. In any
case, I didn't see any failures in the tests, so it should be fine.

{"pattern": "glob:hgext3rd/**/*.py", "tool": "byteify-strings"}