Failure to create XSPF results in out of index errors

[toby]

Traceback (most recent call last):
File "/base/python_lib/versions/1/google/appengine/ext/webapp/init.py", line 507, in call
handler.get(*groups)
File "/base/data/home/apps/playgrub/18.337404834109220388/playgrub.py", line 71, in get
head = q.fetch(1)[0]
IndexError: list index out of range