sportsipy.ncaaf.rankings is returning empty dictionaries/lists

[santatrout]

Describe the bug Each usage of the rankings module is returning an empty set. It was working earlier this week.

To Reproduce The following example code:

from sportsipy.ncaaf.rankings import Rankings as Rankings
rankings = Rankings()
print(rankings.current)
print(rankings.current_extended)
print(rankings.complete)

returns this:

{}
[]
{0: []}

Expected behavior I expected a dictionary or list of teams and ranks.