              The backend configuration in use by Faceswap
          """
          # Check if environment variable is set, if so use that
          if "FACESWAP_BACKEND" in os.environ:
              fs_backend = cast(ValidBackends, os.environ["FACESWAP_BACKEND"].lower())
              assert fs_backend in get_args(ValidBackends), (
                  f"Faceswap backend must be one of {get_args(ValidBackends)}")
              print(f"Setting Faceswap backend from environment variable to {fs_backend.upper()}")
              return fs_backend
          # Intercept for sphinx docs build
          if sys.argv[0].endswith("sphinx-build"):
              return "nvidia"
 
</s> remove     def _configure_backend(self, arguments: "argparse.Namespace") -> None:
 </s> add     def _configure_backend(self, arguments: argparse.Namespace) -> None: </s> remove     backend = cast(ValidBackends, backend.lower())
 </s> add     backend = T.cast(ValidBackends, backend.lower()) </s> remove def get_tf_version() -> Tuple[int, int]:
 </s> add def get_tf_version() -> tuple[int, int]: </s> remove     def _get_active_devices(self) -> List[int]:
 </s> add     def _get_active_devices(self) -> list[int]: </s> remove     def _get_active_devices(self) -> List[int]:
 </s> add     def _get_active_devices(self) -> list[int]:
            fs_backend = T.cast(ValidBackends, os.environ["FACESWAP_BACKEND"].lower())
            assert fs_backend in T.get_args(ValidBackends), (
                f"Faceswap backend must be one of {T.get_args(ValidBackends)}")
              The backend configuration in use by Faceswap
          """
          # Check if environment variable is set, if so use that
          if "FACESWAP_BACKEND" in os.environ:
            fs_backend = T.cast(ValidBackends, os.environ["FACESWAP_BACKEND"].lower())
            assert fs_backend in T.get_args(ValidBackends), (
                f"Faceswap backend must be one of {T.get_args(ValidBackends)}")
            fs_backend = T.cast(ValidBackends, os.environ["FACESWAP_BACKEND"].lower())
            assert fs_backend in T.get_args(ValidBackends), (
                f"Faceswap backend must be one of {T.get_args(ValidBackends)}")
            fs_backend = T.cast(ValidBackends, os.environ["FACESWAP_BACKEND"].lower())
            assert fs_backend in T.get_args(ValidBackends), (
                f"Faceswap backend must be one of {T.get_args(ValidBackends)}")
              print(f"Setting Faceswap backend from environment variable to {fs_backend.upper()}")
              return fs_backend
          # Intercept for sphinx docs build
          if sys.argv[0].endswith("sphinx-build"):
              return "nvidia"
keep keep keep keep replace replace replace keep keep keep keep keep
 Rebase code (#1326)

* Remove tensorflow_probability requirement

* setup.py - fix progress bars

* requirements.txt: Remove pre python 3.9 packages

* update apple requirements.txt

* update INSTALL.md

* Remove python<3.9 code

* setup.py - fix Windows Installer

* typing: python3.9 compliant

* Update pytest and readthedocs python versions

* typing fixes

* Python Version updates
  - Reduce max version to 3.10
  - Default to 3.10 in installers
  - Remove incompatible 3.11 tests

* Update dependencies

* Downgrade imageio dep for Windows

* typing: merge optional unions and fixes

* Updates
  - min python version 3.10
  - typing to python 3.10 spec
  - remove pre-tf2.10 code
  - Add conda tests

* train: re-enable optimizer saving

* Update dockerfiles

* Update setup.py
  - Apple Conda deps to setup.py
  - Better Cuda + dependency handling

* bugfix: Patch logging to prevent Autograph errors

* Update dockerfiles

* Setup.py - Setup.py - stdout to utf-8

* Add more OSes to github Actions

* suppress mac-os end to end test 
lib/utils.py