PipelineInstrumentTest is flaky

Error Message

AttributeError: 'Pipeline' object has no attribute 'pipeline'

Stacktrace

self = <apache_beam.runners.interactive.pipeline_instrument_test.PipelineInstrumentTest testMethod=test_pipeline_pruned_when_input_pcoll_is_cached> def test_pipeline_pruned_when_input_pcoll_is_cached(self): > user_pipeline, init_pcoll, _ = self._example_pipeline() apache_beam/runners/interactive/pipeline_instrument_test.py:765: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ apache_beam/runners/interactive/pipeline_instrument_test.py:223: in _example_pipeline ie.current_env().set_cache_manager(InMemoryCache(), p) apache_beam/runners/interactive/interactive_environment.py:324: in set_cache_manager self.cleanup(pipeline) apache_beam/runners/interactive/interactive_environment.py:277: in cleanup self.evict_computed_pcollections(pipeline) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <apache_beam.runners.interactive.interactive_environment.InteractiveEnvironment object at 0x7f8698c89cf8> pipeline = <apache_beam.pipeline.Pipeline object at 0x7f86cc1539e8> def evict_computed_pcollections(self, pipeline=None): """Evicts all computed PCollections for the given pipeline. If no pipeline is specified, evicts for all pipelines. """ if pipeline: discarded = set() for pcoll in self._computed_pcolls: > if pcoll.pipeline is pipeline: E AttributeError: 'Pipeline' object has no attribute 'pipeline' apache_beam/runners/interactive/interactive_environment.py:506: AttributeError