Выделение строки Listbox при наведении курсора

from tkinter import *
 
 
class CustomListBox(Listbox):
 
    def __init__(self, master=None, *args, **kwargs):
        Listbox.__init__(self, master, *args, **kwargs)
 
        self.bg = "white"
        self.fg = "black"
        self.h_bg = "#eee8aa"
        self.h_fg = "blue"
 
        self.current = -1  # current highlighted item
 
        self.fill()
 
        self.bind("<Motion>", self.on_motion)
        self.bind("<Leave>", self.on_leave)
 
    def fill(self, number=15):
        """Fills the listbox with some numbers"""
        for i in range(number):
            self.insert(END, i)
            self.itemconfig(i, {"bg": self.bg})
            self.itemconfig(i, {"fg": self.fg})
 
    def reset_colors(self):
        """Resets the colors of the items"""
        for item in self.get(0, END):
            self.itemconfig(item, {"bg": self.bg})
            self.itemconfig(item, {"fg": self.fg})
 
    def set_highlighted_item(self, index):
        """Set the item at index with the highlighted colors"""
        self.itemconfig(index, {"bg": self.h_bg})
        self.itemconfig(index, {"fg": self.h_fg})    
 
    def on_motion(self, event):
        """Calls everytime there's a motion of the mouse"""
        index = self.index("@%s,%s" % (event.x, event.y))
        if self.current != -1 and self.current != index:
            self.reset_colors()
            self.set_highlighted_item(index)
        elif self.current == -1:
            self.set_highlighted_item(index)
        self.current = index
 
    def on_leave(self, event):
        self.reset_colors()
        self.current = -1
 
 
if __name__ == "__main__":
    root = Tk()
    CustomListBox(root).pack()
    root.mainloop()