ENH: Add __getitem__ to flatiter type definition #17113
Description
Reproducing code example:
Run mypy on a simple file
import numpy as np
a = np.empty((2,2))
b = a.flat[[0,1]]
Error message:
You will get
error: Value of type "flatiter[ndarray]" is not indexable
Need to add __getitem__ to pyi file.
Numpy/Python version information:
1.20.0.dev0+986e533 3.8.3 (default, Jul 2 2020, 16:21:59)
[GCC 7.3.0]