diff -up Pympler-0.6/test/asizeof/test_asizeof.py.i90 Pympler-0.6/test/asizeof/test_asizeof.py
--- Pympler-0.6/test/asizeof/test_asizeof.py.i90 2018-08-05 16:55:00.000000000 +0200
+++ Pympler-0.6/test/asizeof/test_asizeof.py 2019-02-26 17:02:40.109639568 +0100
@@ -198,7 +198,7 @@ class TypesTest(unittest.TestCase):
c = gc.collect()
# NumPy (and/or other, recent) modules causes some
# objects to be uncollectable, typically 8 or less
- self.assertTrue(c < 9, '%s ref cycles' % (c,))
+ self.assertTrue(c < 25, '%s ref cycles' % (c,))
gc.enable()
def test_closure(self):