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https://issues.apache.org/jira/browse/BEAM-6158?focusedWorklogId=310010&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-310010
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ASF GitHub Bot logged work on BEAM-6158:
----------------------------------------
Author: ASF GitHub Bot
Created on: 10/Sep/19 18:17
Start Date: 10/Sep/19 18:17
Worklog Time Spent: 10m
Work Description: tvalentyn commented on issue #9513: [BEAM-6158]
Temporarily remove super() calls in Beam examples.
URL: https://github.com/apache/beam/pull/9513#issuecomment-530058761
Thanks for review, @aaltay . I also verified batch mobile gaming examples on
Python 3 with Dataflow runner.
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Issue Time Tracking
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Worklog Id: (was: 310010)
Time Spent: 4h (was: 3h 50m)
> Using --save_main_session fails on Python 3 when main module has invocations
> of superclass method using 'super' .
> -----------------------------------------------------------------------------------------------------------------
>
> Key: BEAM-6158
> URL: https://issues.apache.org/jira/browse/BEAM-6158
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-py-harness
> Reporter: Mark Liu
> Assignee: Valentyn Tymofieiev
> Priority: Major
> Time Spent: 4h
> Remaining Estimate: 0h
>
> A typical manifestation of this failure, which can be observed on several
> Beam examples:
> {noformat}
> Traceback (most recent call last):
> File "/usr/lib/python3.5/runpy.py", line 193, in _run_module_as_main
> "__main__", mod_spec)
> File "/usr/lib/python3.5/runpy.py", line 85, in _run_code
> exec(code, run_globals)
> File
> "/usr/local/google/home/valentyn/tmp/r2.14.0_py3.5_env/lib/python3.5/site-packages/apache_beam/examples/complete/game/user_score.py",
> line 164, in <module>
> run()
> File
> "/usr/local/google/home/valentyn/tmp/r2.14.0_py3.5_env/lib/python3.5/site-packages/apache_beam/examples/complete/game/user_score.py",
> line 158, in run
> | 'WriteUserScoreSums' >> beam.io.WriteToText(args.output))
> File
> "/usr/local/google/home/valentyn/tmp/r2.14.0_py3.5_env/lib/python3.5/site-packages/apache_beam/pipeline.py",
> line 426, in __exit__
>
> self.run().wait_until_finish()
> File
> "/usr/local/google/home/valentyn/tmp/r2.14.0_py3.5_env/lib/python3.5/site-packages/apache_beam/runners/dataflow/dataflow_runner.py",
> line 1338, in wait_until_finish
> (self.state, getattr(self._runner, 'last_error_msg', None)), self)
> apache_beam.runners.dataflow.dataflow_runner.DataflowRuntimeException:
> Dataflow pipeline failed. State: FAILED, Error:
>
> Traceback (most recent call last):
> File
> "/usr/local/lib/python3.5/site-packages/dataflow_worker/batchworker.py", line
> 773, in run
> self._load_main_session(self.local_staging_directory)
> File
> "/usr/local/lib/python3.5/site-packages/dataflow_worker/batchworker.py", line
> 489, in _load_main_session
>
> pickler.load_session(session_file)
> File
> "/usr/local/lib/python3.5/site-packages/apache_beam/internal/pickler.py",
> line 280, in load_session
>
> return dill.load_session(file_path)
> File "/usr/local/lib/python3.5/site-packages/dill/_dill.py", line 410, in
> load_session
> module = unpickler.load()
> File "/usr/local/lib/python3.5/site-packages/dill/_dill.py", line 474, in
> find_class
> return StockUnpickler.find_class(self, module, name)
> AttributeError: Can't get attribute 'ParseGameEventFn' on <module
> 'dataflow_worker.start' from
> '/usr/local/lib/python3.5/site-packages/dataflow_worker/start.py'> {noformat}
>
> Note that the example has the following code [1]:
> {code:python}
> class ParseGameEventFn(beam.DoFn):
> def __init__(self):
> super(ParseGameEventFn, self).__init__()
> {code}
> https://github.com/apache/beam/blob/0325c360bef17a6673e2d43051e59174b8e5ccc9/sdks/python/apache_beam/examples/complete/game/user_score.py#L81
> +cc: [~tvalentyn] [~robertwb] [~altay]
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