Whenever I try to construct a string based on self.live_server_url, I get python TypeError messages. For example, I\'ve tried the fol
See this discussion on Reddit featuring the same error Traceback.
Basically, this is not a problem with anything within the Selenium tests but rather with your project's static file configuration.
From your question, I believe the key line within the Traceback is:
File "/usr/local/lib/python3.4/site-packages/django/views/static.py", line 54, in serve
fullpath = os.path.join(document_root, newpath)
This line indicates that an unsuccessful os.path.join is being attempted within django.views.static.
Set STATIC_ROOT in your project's settings.pyfile and you should be good.
Use StaticLiveServerTestCase instead may help