          lblstatus.pack(side=tk.LEFT, anchor=tk.W, fill=tk.X, expand=True)
          btnframe.pack(fill=tk.X, pady=5, padx=5, side=tk.BOTTOM)
          logger.debug("Built Buttons")
  
      @staticmethod
      def _add_section(frame, title):
          """ Add a separator and section title between options
  
          Parameters
          ----------
          title: str
 
</s> remove     def _opts_loss_keys(self, frame):
 </s> add     def _opts_loss_keys(self, frame: ttk.Frame) -> None: </s> remove     def _opts_checkbuttons(self, frame):
 </s> add     def _opts_checkbuttons(self, frame: ttk.Frame) -> None: </s> remove     def _opts_combobox(self, frame):
 </s> add     def _opts_combobox(self, frame: ttk.Frame) -> None: </s> remove     def _opts_slider(self, frame):
 </s> add     def _opts_slider(self, frame: ttk.Frame) -> None:
    @classmethod
    def _add_section(cls, frame: ttk.Frame, title: str) -> None:
          lblstatus.pack(side=tk.LEFT, anchor=tk.W, fill=tk.X, expand=True)
          btnframe.pack(fill=tk.X, pady=5, padx=5, side=tk.BOTTOM)
          logger.debug("Built Buttons")
  
    @classmethod
    def _add_section(cls, frame: ttk.Frame, title: str) -> None:
    @classmethod
    def _add_section(cls, frame: ttk.Frame, title: str) -> None:
          """ Add a separator and section title between options
  
          Parameters
          ----------
          title: str
keep keep keep keep replace replace keep keep keep keep keep
 Bugfixes:
  - Stats graph - Handle NaNs in data
  - logger - de-elevate matplotlib font messages 
lib/gui/popup_session.py