edx video doenloader issue with edx-dl a github project

I want to download all edx course's lecture using **edx-dl**. I already install the latest version of python on my system Windows-7 (32-bit).

I use python edx-dl.py -u --list-courses to discover the courses which I already enrolled.

github link:

But it makes some problem. I stuck for that...look the problem hereI cannot understand what happened. Please solve my issue.

Thanks in advance.

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