def left_release(self, event):
        """
        Callback for the release of the left button.

        :param event: Tkinter event
        """
        self.config(cursor="")
        if len(self.canvas.find_withtag("current")) != 0 and self.current is not None:
            self.canvas.itemconfigure(tk.CURRENT, fill=self.item_colors[self.current][1])
def left_release ( self , event ) : self . config ( cursor = "" ) if len ( self . canvas . find_withtag ( "current" ) ) != 0 and self . current is not None : self . canvas . itemconfigure ( tk . CURRENT , fill = self . item_colors [ self . current ] [ 1 ] )
Callback for the release of the left button.

        :param event: Tkinter event