      """
      def __init__(self, root, cli_opts, statusbar):
          logger.debug("Initializing %s: (root %s, cli_opts: %s, statusbar: %s)",
                       self.__class__.__name__, root, cli_opts, statusbar)
          self._default_font = self._set_default_font()
          self._constants = dict(
              root=root,
              scaling_factor=self._get_scaling(root),
              default_font=self._default_font)
          self._gui_objects = dict(
 
</s> remove                              for ftype in filetypes[key] if ftype[0] != "All files"]))
 </s> add                                        for ftype in filetypes[key] if ftype[0] != "All files"])) </s> remove     @classmethod
    def _set_default_font(cls):
        """ Set the default font.

        For macOS and Windows, this just pulls back the system default font.

        For Linux, quite often the default is not ideal, so we try to pull a sane default from
        installed fonts.
        """
        if platform.system() == "Linux":
            for family in ("DejaVu Sans", "Noto Sans", "Nimbus Sans"):
                if family in tk.font.families():
                    logger.debug("Setting default font to: '%s'", family)
                    tk.font.nametofont("TkDefaultFont").configure(family=family)
                    tk.font.nametofont("TkHeadingFont").configure(family=family)
                    tk.font.nametofont("TkMenuFont").configure(family=family)
                    break
        return tk.font.nametofont("TkDefaultFont").configure()["family"]

 </s> add 
        self._default_font = tk.font.nametofont("TkDefaultFont").configure()["family"]
      """
      def __init__(self, root, cli_opts, statusbar):
          logger.debug("Initializing %s: (root %s, cli_opts: %s, statusbar: %s)",
                       self.__class__.__name__, root, cli_opts, statusbar)
        self._default_font = tk.font.nametofont("TkDefaultFont").configure()["family"]
          self._constants = dict(
              root=root,
              scaling_factor=self._get_scaling(root),
              default_font=self._default_font)
          self._gui_objects = dict(
keep keep keep keep replace keep keep keep keep keep
 GUI - Revert Conda default font fix 
lib/gui/utils.py