          If the total frame count is known it can be passed in here which will skip
          analyzing a video file. If the count is not passed in, it will be calculated.
          Default: ``None``
      """
      def __init__(self, folder: str, count: Optional[int] = None):
          logger.debug("Initializing %s: (folder: '%s')", self.__class__.__name__, folder)
          logger.info("[%s DATA]", self.__class__.__name__.upper())
          self._count = count
          self.folder = folder
          self._vid_reader = self.check_input_folder()
 
</s> remove     def _get_count(self) -> Optional[int]:
 </s> add     def _get_count(self) -> int | None: </s> remove                  arguments: "Namespace",
 </s> add                  arguments: Namespace, </s> remove         retval: Optional[str] = "copy"
 </s> add         retval: str | None = "copy" </s> remove     def __init__(self, folder: str, alignments: Optional[Alignments] = None) -> None:
 </s> add     def __init__(self, folder: str, alignments: Alignments | None = None) -> None: </s> remove     def check_input_folder(self) -> Optional[cv2.VideoCapture]:
 </s> add     def check_input_folder(self) -> cv2.VideoCapture | None:
    def __init__(self, folder: str, count: int | None = None):
          If the total frame count is known it can be passed in here which will skip
          analyzing a video file. If the count is not passed in, it will be calculated.
          Default: ``None``
      """
    def __init__(self, folder: str, count: int | None = None):
          logger.debug("Initializing %s: (folder: '%s')", self.__class__.__name__, folder)
          logger.info("[%s DATA]", self.__class__.__name__.upper())
          self._count = count
          self.folder = folder
          self._vid_reader = self.check_input_folder()
keep keep keep keep 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 
tools/alignments/media.py