      """
      def __init__(self, parent, *args, text="", theme="CPanel", toggle_var=None, **kwargs):
          logger.debug("Initializing %s: (parent: %s, text: %s, theme: %s, toggle_var: %s)",
                       self.__class__.__name__, parent, text, theme, toggle_var)
          super().__init__(parent, *args, **kwargs)
          self._text = text
  
          if toggle_var:
              self._toggle_var = toggle_var
          else:
 
</s> remove         super().__init__(parent)
 </s> add         self._style = "" if style is None else f"{style}."
        super().__init__(parent, style=f"{self._style}.Group.TFrame") </s> remove         theme = get_config().user_theme["group_box"]
 </s> add  </s> remove         frame = ttk.Frame(self.frame, style="Group.TFrame")
 </s> add         frame = ttk.Frame(self.frame, style=f"{self._style}Group.TFrame") </s> remove             sub_frame = ttk.Frame(parent, style="Group.TFrame")
 </s> add             sub_frame = ttk.Frame(parent, style=f"{self._style}Group.TFrame") </s> remove                                    style="Group.")
 </s> add                                    style=f"{self._style}Group.")
        theme = "CPanel" if not theme else theme
        theme = theme[:-1] if theme[-1] == "." else theme
        super().__init__(parent, *args, style=f"{theme}.Group.TFrame", **kwargs)
      """
      def __init__(self, parent, *args, text="", theme="CPanel", toggle_var=None, **kwargs):
          logger.debug("Initializing %s: (parent: %s, text: %s, theme: %s, toggle_var: %s)",
                       self.__class__.__name__, parent, text, theme, toggle_var)
        theme = "CPanel" if not theme else theme
        theme = theme[:-1] if theme[-1] == "." else theme
        super().__init__(parent, *args, style=f"{theme}.Group.TFrame", **kwargs)
          self._text = text
  
          if toggle_var:
              self._toggle_var = toggle_var
          else:
keep keep keep keep replace keep keep keep keep keep
 Minor Updates
  - GUI - Tweaks
    - Fix Analysis Slider background color
    - More granular theming controls
    - Standardize comboboxes and scrollbars
  - plugins.train.model._base
      - Catch more model corruption errors 
lib/gui/custom_widgets.py