def dframe(self):
        "Creates a pandas DataFrame from the stored keys and data."
        try:
            import pandas
        except __HOLE__:
            raise Exception("Cannot build a DataFrame without the pandas library.")
        labels = self.dimensions('key', True) + [self.group]
        return pandas.DataFrame(
            [dict(zip(labels, k + (v,))) for (k, v) in self.data.items()])
dataset/ETHPy150Open ioam/holoviews/holoviews/core/ndmapping.py/MultiDimensionalMapping.dframe