def maybeChallenge(self):
        if not self.challenging and self._numDudes() >= 1:
            self.startChallenging()
Parses the diff data and stores the list of
dataset/ETHPy150Open twisted/imaginary/ExampleGame/examplegame/mice.py/HiraganaMouse.maybeChallenge--crossover with--dataset/ETHPy150Open markstory/lint-review/lintreview/diff.py/Diff._parse_diff