test_stable_marriage_produces_symmetric_matchings[build_fast] hypothesis.errors.Flaky: Hypothesis test_stable_marriage_produces_symmetric_matchings(request=<FixtureRequest for <Function test_stable_marriage_produces_symmetric_matchings[build_fast]>>, caplog_context=make_caplog_context, build_func=build_fast, searches=[Search(['p0', 'p1'], -784.5799558204261), Search(['p0', 'p1'], 162.18180695523114), Search(['p0', 'p1'], -168.75489586947035), Search(['p0', 'p1'], -119.32883159794619), Search(['p0', 'p1'], -3.0015150000000004), Search(['p0', 'p1'], 783.0711110520314), Search(['p0', 'p1'], -94.93821738479558), Search(['p0', 'p1'], -1352.9374900569474), Search(['p0', 'p1'], -4.650010000000001), Search(['p0', 'p1'], -1499.2499999403954), Search(['p0', 'p1'], -300.4592200017069), Search(['p0', 'p1'], -344.68687257156944), Search(['p0', 'p1'], -617.3450854603608), Search(['p0', 'p1'], -752.250005), Search(['p0', 'p1'], -1016.132116153676), Search(['p0', 'p1'], -0.7515), Search(['p0', 'p1'], -94.43171729474243), Search(['p0', 'p1'], -5.501520059604645), Search(['p0', 'p1'], -2.750005), Search(['p0', 'p1'], -520.806760626161)]) 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_fast]>>, caplog_context=make_caplog_context, build_func=build_fast, searches=[Search(['p0', 'p1'], -784.5799558204261), Search(['p0', 'p1'], 162.18180695523114), Search(['p0', 'p1'], -168.75489586947035), Search(['p0', 'p1'], -119.32883159794619), Search(['p0', 'p1'], -3.0015150000000004), Search(['p0', 'p1'], 783.0711110520314), Search(['p0', 'p1'], -94.93821738479558), Search(['p0', 'p1'], -1352.9374900569474), Search(['p0', 'p1'], -4.650010000000001), Search(['p0', 'p1'], -1499.2499999403954), Search(['p0', 'p1'], -300.4592200017069), Search(['p0', 'p1'], -344.68687257156944), Search(['p0', 'p1'], -617.3450854603608), Search(['p0', 'p1'], -752.250005), Search(['p0', 'p1'], -1016.132116153676), Search(['p0', 'p1'], -0.7515), Search(['p0', 'p1'], -94.43171729474243), Search(['p0', 'p1'], -5.501520059604645), Search(['p0', 'p1'], -2.750005), Search(['p0', 'p1'], -520.806760626161)], ) Unreliable test timings! On an initial run, this test took 451.72ms, which exceeded the deadline of 300.00ms, but on a subsequent run it took 17.20 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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