Ordering Futures, What am I doing wrong?

What am I doing wrong in this uber simple algo? My backtest doesnt produce any trades.
I understand that continuous futures cant be used for ordering, and you have to grab the current contract using data. current
I do this, and still no luck.
Any help would be appreciated.

CODE:

def initialize(context):

context.crude_oil = continuous_future('CL', offset=0, roll='volume', adjustment='mul')


prices = data.history(context.crude_oil, 'price', 100, '1d')