#!py -3
# -*- coding: utf-8 -*-

import zarr
import numpy as np

root = zarr.open('zerror', mode='w')

vals=[np.float64(1), np.int32(2), np.bool8(True)]

for i in range(len(vals)):
    try:
        root.attrs[str(i)]=vals[i]
    except:
        print(type(vals[i]))
        val=int(vals[i])
        root.attrs[str(i)]=val