test_stable_marriage_produces_symmetric_matchings[build_full] hypothesis.errors.Flaky: Hypothesis test_stable_marriage_produces_symmetric_matchings(request=<FixtureRequest for <Function test_stable_marriage_produces_symmetric_matchings[build_full]>>, caplog_context=make_caplog_context, build_func=build_full, searches=[Search(['p0'], -4.5), Search(['p0'], -3.0029999999999997), Search(['p0'], -5.699999999999999), Search(['p0'], -15.1327754538114), Search(['p0'], -1326.0344757082426), Search(['p0'], -1499.6666666666667), Search(['p0'], -6.00003011920929), Search(['p0'], 2494.2999999999997), Search(['p0'], -1499.9999999999998), Search(['p0'], -4.999980000000001), Search(['p0'], -1497.0000001192093), Search(['p0'], -2.9999700000000002), Search(['p0'], -6.000029880790711), Search(['p0'], -1496.9999999403954), Search(['p0'], -4.49993896484375)]) produces unreliable results: Falsified on the first call but did not on a subsequent one Falsifying example: test_stable_marriage_produces_symmetric_matchings( request=<FixtureRequest for <Function test_stable_marriage_produces_symmetric_matchings[build_full]>>, caplog_context=make_caplog_context, build_func=build_full, searches=[Search(['p0'], -4.5), Search(['p0'], -3.0029999999999997), Search(['p0'], -5.699999999999999), Search(['p0'], -15.1327754538114), Search(['p0'], -1326.0344757082426), Search(['p0'], -1499.6666666666667), Search(['p0'], -6.00003011920929), Search(['p0'], 2494.2999999999997), Search(['p0'], -1499.9999999999998), Search(['p0'], -4.999980000000001), Search(['p0'], -1497.0000001192093), Search(['p0'], -2.9999700000000002), Search(['p0'], -6.000029880790711), Search(['p0'], -1496.9999999403954), Search(['p0'], -4.49993896484375)], ) Unreliable test timings! On an initial run, this test took 612.61ms, which exceeded the deadline of 300.00ms, but on a subsequent run it took 47.59 ms, which did not. If you expect this sort of variability in your test timings, consider turning deadlines off for this test by setting deadline=None. You can reproduce this example by temporarily adding @reproduce_failure('6.80.1', b'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') as a decorator on your test case