Couldn't Find A Tree Builder With The Features You Requested: Html5lib ...

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bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html5lib. Do you need to install a parser library? #434New issueCopy linkNew issueCopy linkClosedClosedbs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html5lib. Do you need to install a parser library?#434Copy link

Description

ammaratef45opened on Jun 20, 2017Issue body actions

Subject of the issue

I get the following error when trying to get list of courses bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html5lib. Do you need to install a parser library?

Your environment

• Operating System: Ubuntu 14.04 LTS
• Python version: 2.7
• youtube-dl version: 2017.06.05
• edx-dl version: 0.1.4

Steps to reproduce

Error occures when I launch the command edx-dl -u [email protected] --list-course

Expected behaviour

It should gives me list of courses

Actual behaviour

It gives the following

edx_dl version 0.1.4 Password: Building initial headers for future requests. Getting initial CSRF token. Found CSRF token. Logging into Open edX site: https://courses.edx.org/login_ajax Email or password is incorrect. ammar@ammar-HP-ProBook-4540s:~$ edx-dl -u [email protected] --list-courses edx_dl version 0.1.4 Password: Building initial headers for future requests. Getting initial CSRF token. Found CSRF token. Logging into Open edX site: https://courses.edx.org/login_ajax Extracting course information from dashboard. Traceback (most recent call last): File "/usr/local/bin/edx-dl", line 11, in <module> sys.exit(main()) File "/usr/local/lib/python2.7/dist-packages/edx_dl/edx_dl.py", line 1000, in main courses = get_courses_info(DASHBOARD, headers) File "/usr/local/lib/python2.7/dist-packages/edx_dl/edx_dl.py", line 142, in get_courses_info courses = page_extractor.extract_courses_from_html(page, BASE_URL) File "/usr/local/lib/python2.7/dist-packages/edx_dl/parsing.py", line 239, in extract_courses_from_html soup = BeautifulSoup(page) File "/usr/local/lib/python2.7/dist-packages/edx_dl/parsing.py", line 17, in <lambda> BeautifulSoup = lambda page: BeautifulSoup_(page, 'html5lib') File "/usr/local/lib/python2.7/dist-packages/bs4/__init__.py", line 165, in __init__ % ",".join(features)) bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html5lib. Do you need to install a parser library?

Thanks in advance for the help

(Edit by rbrito: Fix formatting of the exception to make it readable.)

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