def __init__(self, defaults = {}):
        self._regex = None
        self._regexIsDirty = True
        for k,v in defaults.items():
            self[k] = v
Convert a Rat to an long; self.den must be 1.
dataset/ETHPy150Open encorehu/django-buddy/core/aiml/WordSub.py/WordSub.__init__--crossover with--dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/test/test_binop.py/Rat.__long__