| 584 | def test_no_unhashable_default(self): |
| 585 | # See bpo-44674. |
| 586 | class Unhashable: |
| 587 | __hash__ = None |
| 588 | |
| 589 | unhashable_re = 'mutable default .* for field a is not allowed' |
| 590 | with self.assertRaisesRegex(ValueError, unhashable_re): |
no outgoing calls
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