from typing import Union
from array import array
-from numpy import ndarray
ReadableBuffer = Union[bytes, bytearray, memoryview, array, ndarray]
"""Classes that implement the readable buffer protocol
* `bytearray`
* `memoryview`
* `array.array`
- * ``numpy.ndarray``
"""
WriteableBuffer = Union[bytearray, memoryview, array, ndarray]
* `bytearray`
* `memoryview`
* `array.array`
- * ``numpy.ndarray``
"""