Add explicit type for Optional used at runtime. See https://github.com/python/mypy/issues/5354
Add explicit type for Optional used at runtime.
See https://github.com/python/mypy/issues/5354

burningmantech/ranger-ims-server,burningmantech/ranger-ims-server,burningmantech/ranger-ims-server,burningmantech/ranger-ims-server