diff options
Diffstat (limited to 'numpy/lib/tests/test_io.py')
| -rw-r--r-- | numpy/lib/tests/test_io.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/numpy/lib/tests/test_io.py b/numpy/lib/tests/test_io.py index 38a751d11..dde48ccae 100644 --- a/numpy/lib/tests/test_io.py +++ b/numpy/lib/tests/test_io.py @@ -13,7 +13,7 @@ from tempfile import NamedTemporaryFile from io import BytesIO, StringIO from datetime import datetime import locale -from multiprocessing import Process, Value +from multiprocessing import Value, get_context from ctypes import c_bool import numpy as np @@ -595,7 +595,12 @@ class TestSaveTxt: # Use an object in shared memory to re-raise the MemoryError exception # in our process if needed, see gh-16889 memoryerror_raised = Value(c_bool) - p = Process(target=check_large_zip, args=(memoryerror_raised,)) + + # Since Python 3.8, the default start method for multiprocessing has + # been changed from 'fork' to 'spawn' on macOS, causing inconsistency + # on memory sharing model, lead to failed test for check_large_zip + ctx = get_context('fork') + p = ctx.Process(target=check_large_zip, args=(memoryerror_raised,)) p.start() p.join() if memoryerror_raised.value: |