def conditions(self):
        return list(self.keys())
Find a user by their name or return ``None``.
dataset/ETHPy150Open nltk/nltk/nltk/probability.py/ConditionalProbDistI.conditions--crossover with--dataset/ETHPy150Open mblayman/markwiki/markwiki/storage/fs/user.py/FileUserStorage.find_by_name