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https://issues.apache.org/jira/browse/BEAM-5627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16647144#comment-16647144
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Rakesh Kumar commented on BEAM-5627:
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[~ruoyun] thanks for fixing this.
> Several IO tests fail in Python 3 when accessing a temporary file with
> TypeError: a bytes-like object is required, not 'str'
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: BEAM-5627
> URL: https://issues.apache.org/jira/browse/BEAM-5627
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-py-core
> Reporter: Valentyn Tymofieiev
> Assignee: Rakesh Kumar
> Priority: Major
> Time Spent: 2h
> Remaining Estimate: 0h
>
> ERROR: test_split_at_fraction_exhaustive
> (apache_beam.io.source_test_utils_test.SourceTestUtilsTest)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
> File
> "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/io/source_test_utils_test.py",
> line 120, in test_split_at_fraction_exhaustive
> source = self._create_source(data)
> File
> "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/io/source_test_utils_test.py",
> line 43, in _create_source
> source = LineSource(self._create_file_with_data(data))
> File
> "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/io/source_test_utils_test.py",
> line 35, in _create_file_with_data
> f.write(line + '\n')
> File
> "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/target/.tox/py3/lib/python3.5/tempfile.py",
> line 622, in func_wrapper
> return func(*args, **kwargs)
> TypeError: a bytes-like object is required, not 'str'
> Also similar:
> ======================================================================
> ERROR: test_file_sink_writing
> (apache_beam.io.filebasedsink_test.TestFileBasedSink)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
> File
> "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/
> apache_beam/io/filebasedsink_test.py", line 121, in
> test_file_sink_writing
> init_token, writer_results = self._common_init(sink)
> File
> "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/
> apache_beam/io/filebasedsink_test.py", line 103, in _common_init
> writer1 = sink.open_writer(init_token, '1')
> File
> "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/
> apache_beam/options/value_provider.py", line 133, in _f
> return fnc(self, *args, **kwargs)
> File
> "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/
> apache_beam/io/filebasedsink.py", line 185, in open_writer
> return FileBasedSinkWriter(self, os.path.join(init_result, uid) + suffix)
> File
> "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/
> apache_beam/io/filebasedsink.py", line 385, in __init__
> self.temp_handle = self.sink.open(temp_shard_path)
> File
> "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/
> apache_beam/io/filebasedsink_test.py", line 82, in open
> file_handle.write('[start]')
> TypeError: a bytes-like object is required, not 'str'
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