'Create a loader from a bcolz equity pricing dir and a SQLite
adjustments path.
Parameters
pricing_path : str
Path to a bcolz directory written by a BcolzDailyBarWriter.
adjusments_path : str
Path to an adjusments db written by a SQLiteAdjustmentWriter.'

@classmethod
def from_files(cls, pricing_path, adjustments_path):

    return cls(BcolzDailyBarReader(pricing_path), SQLiteAdjustmentReader(adjustments_path))
