Default start method for multiprocessing changed to 'spawn' starting from python 3.8. Now forced to set it to 'fork' as before, to avoid bugs in all routines using multiprocessing
@@ -19,6 +19,8 @@ import numpy as np
import itertools as itt
from inspect import getargspec
from functools import wraps
+import multiprocessing
+multiprocessing.set_start_method('fork')
from multiprocessing import Pool
from vip_hci import __version__
