Update UBCPI to support Python 3

[kitsook]

• cherry-picked changes from PR Update UBCPI block to work on newer versions of Python. #167 (which is based on the old UI)
• upgraded Coverage.py for it to work with python 3.8
• updated readme to include steps for edX upstream to pull changes from this repo

[coveralls]

Coverage increased (+0.2%) to 95.61% when pulling 3cb4e13 on py3_updates into c40c514 on master.

[toxinu]

That's a great news! Thanks @kitsook :)

[pomegranited]

Thank you so much for this @kitsook !

Do you know whether this update also means that this XBlock works with open edx's Juniper django 2.2?

[kitsook]

Thank you so much for this @kitsook !

Do you know whether this update also means that this XBlock works with open edx's Juniper django 2.2?

That was the goal. But this PR was created before the official Juniper devstack release. I will do some testing on juniper.1 when time permits.

[pomegranited]

Thank you @kitsook ! Let me know if we can help? e.g. OpenCraft can create a Juniper sandbox with this XBlock installed, and you can run your tests there.

[pomegranited]

Hi @kitsook -- do you plan to create a new tag for this juniper-compatible release?

[kitsook]

Once we tested it with Juniper and investigated a reported issue related to translation, we will tag a version and submit a PR for upstream edX to pick it up.

[kitsook]

pull and merged latest translation. tagged version 1.0.0.

a PR has been submitted to edx to pull this version
https://github.com/edx/configuration/pull/6002