              lblcmb.pack(padx=(0, 2), side=tk.LEFT)
              cmbframe.pack(fill=tk.X, pady=5, padx=5, side=tk.TOP)
          logger.debug("Built Combo boxes")
  
      def _opts_checkbuttons(self, frame):
          """ Add the options check buttons.
  
          Parameters
          ----------
          frame: `tkinter.ttk.Frame`
 
</s> remove     def _opts_loss_keys(self, frame):
 </s> add     def _opts_loss_keys(self, frame: ttk.Frame) -> None: </s> remove         frame: `tkinter.ttk.Frame`
 </s> add         frame: :class:`tkinter.ttk.Frame` </s> remove     def _opts_buttons(self, frame):
 </s> add     def _opts_buttons(self, frame: ttk.Frame) -> None: </s> remove     def _opts_slider(self, frame):
 </s> add     def _opts_slider(self, frame: ttk.Frame) -> None: </s> remove         frame: `tkinter.ttk.Frame`
 </s> add         frame: :class:`tkinter.ttk.Frame`
    def _opts_checkbuttons(self, frame: ttk.Frame) -> None:
              lblcmb.pack(padx=(0, 2), side=tk.LEFT)
              cmbframe.pack(fill=tk.X, pady=5, padx=5, side=tk.TOP)
          logger.debug("Built Combo boxes")
  
    def _opts_checkbuttons(self, frame: ttk.Frame) -> None:
          """ Add the options check buttons.
  
          Parameters
          ----------
          frame: `tkinter.ttk.Frame`
keep keep keep keep replace keep keep keep keep keep
 Bugfixes:
  - Stats graph - Handle NaNs in data
  - logger - de-elevate matplotlib font messages 
lib/gui/popup_session.py