def append(self, **kwargs):
        for name, data in kwargs.items():
            norm = normalize(data)

            if isinstance(norm, Dataview):
                self.views[name] = norm
            elif isinstance(norm, Dataset):
                self.views.update(norm.views)
            else:
                raise ValueError("Unknown input %s=%r"%(name, data))

        return self
dataset/ETHPy150Open gallantlab/pycortex/cortex/dataset/__init__.py/Dataset.append/original