UnboundLocalError: local variable 'x' referenced before assignment

[atharvanvaidya]

Describe the bug The script returns an UnboundLocalError when only the URL is given as an argument.

To Reproduce Steps to reproduce the behavior:

1. python3 main.py -u https://nptel.ac.in/courses/106/106/106106211/

Expected behavior The script should create Videos folder and download the videos with the given URL.

Screenshots

Desktop (please complete the following information):

• OS: Ubuntu 16.04
• Browser: Firefox
• Version: Mozilla Firefox 66.0.3

[dewanshrawat15]

Merged :)