#NEWLINE# def toggle_flashing_background_style( self ) : #NEWLINE# #INDENT# style = ttk . Style ( ) #NEWLINE# style . theme_use ( 'default' ) #NEWLINE# self . normal_background_flash_color = ( not self . normal_background_flash_color ) #NEWLINE# if self . normal_background_flash_color : #NEWLINE# #INDENT# style . configure ( 'TFrame' , background = self . background_color ) #NEWLINE# style . configure ( 'TLabel' , background = self . background_color , foreground = self . text_color ) #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# style . configure ( 'TFrame' , background = self . highlight_color ) #NEWLINE# style . configure ( 'TLabel' , background = self . highlight_color , foreground = self . background_color )