np.int deprecated in bookworm

[macckone]

np.int is deprecated in bookworm. we need to use np.int32.

127,128c127,128
< window_size = np.abs(np.int32(window_size))
< order = np.abs(np.int32(order))
---
> window_size = np.abs(np.int(window_size))
> order = np.abs(np.int(order))