          lblstatus.pack(side=tk.LEFT, anchor=tk.W, fill=tk.X, expand=True)
  
      def _progress_bar(self):
          """ Place progress bar into right of the status bar. """
          progressframe = ttk.Frame(self)
          progressframe.pack(side=tk.RIGHT, anchor=tk.E, fill=tk.X)
  
          lblmessage = ttk.Label(progressframe, textvariable=self._pbar_message)
          lblmessage.pack(side=tk.LEFT, padx=3, fill=tk.X, expand=True)
  
 
</s> remove         self.pack(side=tk.BOTTOM, padx=10, pady=2, fill=tk.X, expand=False)

 </s> add         self._frame = ttk.Frame(self) </s> remove         statusframe = ttk.Frame(self)
 </s> add         statusframe = ttk.Frame(self._frame)
        progressframe = ttk.Frame(self._frame)
          lblstatus.pack(side=tk.LEFT, anchor=tk.W, fill=tk.X, expand=True)
  
      def _progress_bar(self):
          """ Place progress bar into right of the status bar. """
        progressframe = ttk.Frame(self._frame)
          progressframe.pack(side=tk.RIGHT, anchor=tk.E, fill=tk.X)
  
          lblmessage = ttk.Label(progressframe, textvariable=self._pbar_message)
          lblmessage.pack(side=tk.LEFT, padx=3, fill=tk.X, expand=True)
  
keep keep keep keep replace keep keep keep keep keep
 GUI - Add correctly pad status bar 
lib/gui/custom_widgets.py