          Default: `None`
       """
      def __init__(self,
                   preview_buffer: PreviewBuffer,
                   triggers: Optional[TriggerType] = None) -> None:
          logger.debug("Initializing %s parent (triggers: %s)",
                       self.__class__.__name__, triggers)
          self._triggers = triggers
          self._buffer = preview_buffer
          self._keymaps: Dict[TriggerKeysType, TriggerNamesType] = dict(m="toggle_mask",
 
</s> remove         self._keymaps: Dict[TriggerKeysType, TriggerNamesType] = dict(m="toggle_mask",
                                                                      r="refresh",
                                                                      s="save",
                                                                      enter="quit")
 </s> add         self._keymaps: dict[TriggerKeysType, TriggerNamesType] = {"m": "toggle_mask",
                                                                  "r": "refresh",
                                                                  "s": "save",
                                                                  "enter": "quit"} </s> remove                  preview_buffer: "PreviewBuffer",
                 parent: Optional[tk.Widget] = None,
                 taskbar: Optional[ttk.Frame] = None,
                 triggers: Optional["TriggerType"] = None) -> None:
 </s> add                  preview_buffer: PreviewBuffer,
                 parent: tk.Widget | None = None,
                 taskbar: ttk.Frame | None = None,
                 triggers: TriggerType | None = None) -> None: </s> remove         self._display: Optional[PreviewTk] = None
 </s> add         self._display: PreviewTk | None = None </s> remove                  aligned_filenames: Optional[List[str]] = None) -> None:
 </s> add                  aligned_filenames: list[str] | None = None) -> None: </s> remove                  alignments: "AlignmentData",
                 arguments: Optional[Namespace],
                 faces: Optional[Faces] = None) -> None:
 </s> add                  alignments: AlignmentData,
                 arguments: Namespace | None,
                 faces: Faces | None = None) -> None:
                 triggers: TriggerType | None = None) -> None:
          Default: `None`
       """
      def __init__(self,
                   preview_buffer: PreviewBuffer,
                 triggers: TriggerType | None = None) -> None:
          logger.debug("Initializing %s parent (triggers: %s)",
                       self.__class__.__name__, triggers)
          self._triggers = triggers
          self._buffer = preview_buffer
          self._keymaps: Dict[TriggerKeysType, TriggerNamesType] = dict(m="toggle_mask",
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 
lib/training/preview_cv.py