Windows ico converter

import os
from PIL import Image
#Requires pillow library

class Icos:

    def __init__(self):
        print("Specify a valid image path please!")
        self.getInput()

    def converticons(self, filename):
        icon_sizes = [(16, 16), (24, 24), (32, 32), (48, 48), (64, 64), (128, 128), (256, 256)]
        img = Image.open(filename)
        img.save(filename + r".ico", sizes=icon_sizes)

    def getInput(self):
        imgPath = str(input())
        if os.path.exists(imgPath):
            self.converticons(imgPath)
        else:
            print("File not found!")

Icos()