class Singleton(object):
    @classmethod
    def get_instance(cls):
        if not hasattr(cls, "_instance"):
            cls._instance = cls()
        return cls._instance

2d36bd248676884d6ad529d0a93d0150741a52dd
<mask token>

class Singleton(object):
    <mask token>

class Singleton(object):

    @classmethod
    def get_instance(cls):
        if not hasattr(cls, '_instance'):
            cls._instance = cls()
        return cls._instance

class Singleton(object):
    @classmethod
    def get_instance(cls):
        if not hasattr(cls, "_instance"):
            cls._instance = cls()
        return cls._instance
