import numpy as np
import numpy.typing as npt
AR_i8: npt.NDArray[np.int64]
ar_iter = np.lib.Arrayterator(AR_i8)
np.lib.Arrayterator(np.int64()) # E: incompatible type
ar_iter.shape = (10, 5) # E: is read-only
ar_iter[None] # E: Invalid index type
ar_iter[None, 1] # E: Invalid index type
ar_iter[np.intp()] # E: Invalid index type
ar_iter[np.intp(), ...] # E: Invalid index type
ar_iter[AR_i8] # E: Invalid index type
ar_iter[AR_i8, :] # E: Invalid index type