def __getitem__(self, key):
    if (key == 'Model'):
        model_param = {'dataloader': self['Datasets']['train']}
        return self._getitem('Model', additional_parameters=model_param)
    else:
        return super(Configuration, self).__getitem__(key)
def __getitem__(self, key):
    if (key == 'Model'):
        model_param = {'dataloader': self['Datasets']['train']}
        return self._getitem('Model', additional_parameters=model_param)
    else:
        return super(Configuration, self).__getitem__(key)