def get_storer(self, key):
        group = self.get_node(key)
        if group is None:
            return None
        s = self._create_storer(group)
        s.infer_axes()
        return s
return the storer object for a key, raise if not in the file
dataset/ETHPy150Open pydata/pandas/pandas/io/pytables.py/HDFStore.get_storer