          """ Add refresh button to refresh graph immediately """
          logger.debug("Adding refresh option")
          tk_var = get_config().tk_vars["refreshgraph"]
          btnrefresh = ttk.Button(self.optsframe,
                                  image=get_images().icons["reset"],
                                  command=lambda: tk_var.set(True))
          btnrefresh.pack(padx=2, side=tk.RIGHT)
          Tooltip(btnrefresh,
                  text="Graph updates at every model save. Click to refresh now.",
                  wraplength=200)
 
</s> remove         for utl in ("save", "clear", "reset"):
 </s> add         for utl in ("save", "clear", "reload"): </s> remove             elif utl == "reset":
 </s> add             elif utl == "reload": </s> remove             elif utl == "reset":
 </s> add             elif utl == "refresh": </s> remove         for utl in ("save", "clear", "reset"):
 </s> add         for utl in ("save", "clear", "refresh"):
                                image=get_images().icons["reload"],
          """ Add refresh button to refresh graph immediately """
          logger.debug("Adding refresh option")
          tk_var = get_config().tk_vars["refreshgraph"]
          btnrefresh = ttk.Button(self.optsframe,
                                image=get_images().icons["reload"],
                                  command=lambda: tk_var.set(True))
          btnrefresh.pack(padx=2, side=tk.RIGHT)
          Tooltip(btnrefresh,
                  text="Graph updates at every model save. Click to refresh now.",
                  wraplength=200)
keep keep keep keep replace keep keep keep keep keep
 bugfix: lib.gui + tools.preview - Update icon names 
lib/gui/display_command.py