Removed all links because it says they are duplicated

[jl67]

🚨Please review the Troubleshooting section before reporting any issue. Don't forget also to check the current issues to avoid duplicates.

Subject of the issue

It is not downloading the full course, just the introduction of the course.

Your environment

• Operating System (name/version): Windows 10
• Python version: 3.7
• youtube-dl version: 2019.11.05
• edx-dl version: 0.1.10

Steps to reproduce

edx-dl -u XXX -p XXX https://courses.edx.org/courses/course-v1:MITx+CTL.SC2x+3T2019/course/

Expected behaviour

Should download all the course

Actual behaviour

It removed most of the links because it said that are duplicated, but this isn´t right: Removed 357 duplicated urls from 438 in total

[LionSR]

I am getting the same problem.

[econwalter23]

Me too, please help