* enable numpy mypy typing * remove --warn-return-any * merge conflict and syntax * merge conflict * merge conflict * add type to img var old-commit-hash: 603942ffe0f5f0dba9f14f1293306bc0482e0032
* run mypy commit hook * fix mypy errors old-commit-hash: 3d08dcc3b27936cb14c0eae63605be9a6c077380