Run Time error

[krishnasen2401]

Encrypting: 4600 / 4608 Traceback (most recent call last): File "C:\Users\krishnasen\AppData\Local\Programs\Python\Python37\lib\runpy.py", line 193, in _run_module_as_main "main", mod_spec) File "C:\Users\krishnasen\AppData\Local\Programs\Python\Python37\lib\runpy.py", line 85, in run_code exec(code, run_globals) File "ImageEncryptor_main.py", line 30, in image_crypt.encrypt_image(args.encrypt, args.keys[0], args.keys[1], args.output) File "ImageEncryptor\image_crypt.py", line 34, in encrypt_image two_key_encryption(im_arr, x_size, y_size, key1, key2) File "ImageEncryptor\image_crypt.py", line 77, in two_key_encryption permut = utils.two_kdp(size, k1, k2) File "ImageEncryptor\utils.py", line 33, in two_kdp C[i] = int(p) TypeError: 'range' object does not support item assignment