Message 386875 - Python tracker

Still broken in 3.10:

Running Release|x64 interpreter...
Python 3.10.0a5+ (heads/master:bf2e7e55d7, Feb 11 2021, 23:09:25) [MSC v.1928 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import urllib.parse
>>> urllib.parse.urljoin('foo', [])
'foo'
>>>