I am getting this issue while downloading course from udemy.(i enrolled for the course)

[ParvezMullah]

• You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
• Put an x into all the boxes [ ] relevant to your issue (like that [x])
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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2017.03.26. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

• [ x] I've verified and I assure that I'm running youtube-dl 2017.03.26

Before submitting an issue make sure you have:

• [ x] At least skimmed through README and most notably FAQ and BUGS sections
• [ x] Searched the bugtracker for similar issues including closed ones

What is the purpose of your issue?

• [ x] Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

PS C:\Users\parvez> youtube-dl -u username -p password https://www.udemy.com/complete-android-n-de
veloper-course/learn/v4/overview
[udemy:course] Downloading login popup
[udemy:course] Logging in as username
[udemy:course] complete-android-n-developer-course: Downloading webpage
[udemy:course] 951618: Downloading course curriculum
[download] Downloading playlist: The Complete Android N Developer Course
[udemy:course] playlist The Complete Android N Developer Course: Collected 166 video ids (downloading 166 of them)
[download] Downloading video 1 of 166
[udemy] Downloading login popup
[udemy] 5689934: Downloading webpage
[udemy] 5689934: Downloading lecture JSON
[udemy] 6931870: Downloading m3u8 information
ERROR: An extractor error has occurred. (caused by KeyError('_Request__r_host',)); please report this issue on https://y
t-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to c
all youtube-dl with the --verbose flag and include its complete output.

[dstftw]

Post the output of youtube-dl -v -u username -p password https://www.udemy.com/complete-android-n-developer-course/learn/v4/overview.