              opts_frame = self.optsframe.subframe
              if is_master:
                  group_frame = ttk.Frame(opts_frame, name=group.lower())
              else:
                  group_frame = ttk.LabelFrame(opts_frame,
                                               text="" if is_master else group.title(),
                                               name=group.lower())
  
              group_frame.pack(side=tk.TOP, fill=tk.X, padx=5, pady=5, anchor=tk.NW)
  
              self.group_frames[group] = dict(frame=group_frame,
                                              chkbtns=self.checkbuttons_frame(group_frame))
 
</s> remove                 group_frame = ttk.Frame(opts_frame, name=group.lower())
 </s> add                 group_frame = ttk.Frame(opts_frame) </s> remove             sub_frame = ttk.Frame(parent, name="subgroup_{}".format(subgroup))
 </s> add             sub_frame = ttk.Frame(parent)
                group_frame = ttk.LabelFrame(opts_frame, text="" if is_master else group.title())
              opts_frame = self.optsframe.subframe
              if is_master:
                  group_frame = ttk.Frame(opts_frame, name=group.lower())
              else:
                group_frame = ttk.LabelFrame(opts_frame, text="" if is_master else group.title())
                group_frame = ttk.LabelFrame(opts_frame, text="" if is_master else group.title())
                group_frame = ttk.LabelFrame(opts_frame, text="" if is_master else group.title())
  
              group_frame.pack(side=tk.TOP, fill=tk.X, padx=5, pady=5, anchor=tk.NW)
  
              self.group_frames[group] = dict(frame=group_frame,
                                              chkbtns=self.checkbuttons_frame(group_frame))
keep keep keep keep replace replace replace keep keep keep keep keep
 Bugfix - GUI Don't use group as widget name due to translation issues with TCL 
lib/gui/control_helper.py