      def modified_vars(self) -> Dict[str, "tk.BooleanVar"]:
          """ dict: The command notebook modified tkinter variables. """
          return self.command_notebook.modified_vars
  
      @property
      def _command_tabs(self) -> Dict[str, int]:
 
</s> remove     def modified_vars(self):
 </s> add     def modified_vars(self) -> Dict[str, "tk.BooleanVar"]: </s> remove     def _command_tabs(self):
 </s> add     def _command_tabs(self) -> Dict[str, int]: </s> remove     def tk_vars(self):
 </s> add     def tk_vars(self) -> Dict[str, Union[tk.StringVar, tk.BooleanVar]]:
        assert self.command_notebook is not None
      def modified_vars(self) -> Dict[str, "tk.BooleanVar"]:
          """ dict: The command notebook modified tkinter variables. """
        assert self.command_notebook is not None
          return self.command_notebook.modified_vars
  
      @property
      def _command_tabs(self) -> Dict[str, int]:
keep add keep keep keep keep
 Bugfix: Preview for extract in batch mode 
lib/gui/utils.py