def __init__(self, *paths, **kwargs):
        self.filename = None
        if paths:
            self.filename = os.path.join(*paths)
        if 'root_module' in kwargs:
            self.root_module = kwargs['root_module']
        else:
            self.root_module = awscli
``**kwargs`` can contain a ``root_module`` argument
dataset/ETHPy150Open aws/aws-cli/awscli/customizations/commands.py/_FromFile.__init__