          self._items += 1
          return frame
  
      def set_subframes(self):
          """ Set a subrame for each possible column """
          subframes = []
          for idx in range(self.max_columns):
              name = "af_subframe_{}".format(idx)
              subframe = ttk.Frame(self.parent, name=name)
              if idx < self.columns:
 
</s> remove         """ Returns the next subframe to be populated """
 </s> add         """ Returns the next sub-frame to be populated """ </s> remove             info.bind("<Configure>", adjust_wraplength)
 </s> add             info.bind("<Configure>", self._adjust_wraplength) </s> remove         """ Insert the data into the totals treeview """
 </s> add         """ Insert the data into the totals tree-view """ </s> remove                                img, self.errcount)
                if self.errcount < 10:
                    self.errcount += 1
 </s> add                                img, self._errcount)
                if self._errcount < 10:
                    self._errcount += 1 </s> remove                     self.previewtrain[name] = None

    def get_current_size(self, name):
        """ Return the size of the currently displayed image """
 </s> add                     self._previewtrain[name] = None

    def _get_current_size(self, name):
        """ Return the size of the currently displayed training preview image.

        Parameters
        ----------
        name: str
            The name of the training image to get the size for

        Returns
        -------
        width: int
            The width of the training image
        height: int
            The height of the training image
        """
        """ Set a sub-frame for each possible column """
          self._items += 1
          return frame
  
      def set_subframes(self):
        """ Set a sub-frame for each possible column """
          subframes = []
          for idx in range(self.max_columns):
              name = "af_subframe_{}".format(idx)
              subframe = ttk.Frame(self.parent, name=name)
              if idx < self.columns:
keep keep keep keep replace keep keep keep keep keep
 GUI Updates (#940)

* lib.gui: Update icons
* tools.cli: Add video filetype flag to mask input
* lib.gui.popup_configure: Refresh GUI on config save
* lib.gui._config: Add Icon size and load last session options
* lib.gui.control_helper - Add control modification tracking
* lib.gui - Add Projects and Last Session
- Main root title handled by projects
- Add Hotkeys
- Create projects module
- split fsw and fst filetypes
- Add last_session saving

* lib.project
- Documentation
- Ask confirm on closing unsaved project
-Fixups

* Track model folder changes
- Shuffle some globals
- Activate System Verbosity for GUI

* lib.gui.utils - Documentation and clean up
- lib.gui.custom_widgets - Create and document

* Add GUI config option to disable auto loading model stats 
lib/gui/control_helper.py