          """
          if self._triggers is None:  # Don't need triggers for GUI
              return
          keypress = "enter" if event.keysym == "Return" else event.keysym
          key = cast(TriggerKeysType, keypress)
          logger.debug("Processing keypress '%s'", key)
          if key == "r":
              print("")  # Let log print on different line from loss output
              logger.info("Refresh preview requested...")
  
 
</s> remove         visible = (move_axis()[1] - move_axis()[0])
 </s> add         visible = move_axis()[1] - move_axis()[0] </s> remove                 retval[key] = dict(helptext=None, options=OrderedDict())
 </s> add                 retval[key] = {"helptext": None, "options": OrderedDict()} </s> remove         self._logger: Optional[logging.Logger] = logging.getLogger(__name__) if log else None
 </s> add         self._logger: logging.Logger | None = logging.getLogger(__name__) if log else None </s> remove     def _parse_lines(self) -> None:
        """ Process the latest batch of lines that have been received from winPTY. """
        for line in self._lines:  # Dump the output to log
            line = line.rstrip()
            is_cr = bool(self._pbar.search(line))
            if line and not is_cr:
                if self._last_line_cr:
                    self._last_line_cr = False
                    if not self._env.is_installer:
                        # Go to next line
                        self._non_gui_print("")
                self._seen_line_log(line)
            elif line:
                self._last_line_cr = True
                logger.debug(line)
                # NSIS only updates on line endings, so force new line for installer
                self._non_gui_print(line, end=None if self._env.is_installer else "\r")
        self._lines = []

 </s> add  </s> remove                 if line == "" and returncode is not None:
 </s> add                 if lines == b"" and returncode is not None:
        key = T.cast(TriggerKeysType, keypress)
          """
          if self._triggers is None:  # Don't need triggers for GUI
              return
          keypress = "enter" if event.keysym == "Return" else event.keysym
        key = T.cast(TriggerKeysType, keypress)
          logger.debug("Processing keypress '%s'", key)
          if key == "r":
              print("")  # Let log print on different line from loss output
              logger.info("Refresh preview requested...")
  
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_tk.py