def __init__(self):
        self.rng = None
Takes a file_like object (e.g. anything conforming to python's file interface
dataset/ETHPy150Open tuturto/pyherc/src/pyherc/test/unit/test_portaladder.py/TestPortalAdderFactory.__init__--crossover with--dataset/ETHPy150Open scalyr/scalyr-agent-2/scalyr_agent/line_matcher.py/LineMatcherCollection._readline