[jira] [Created] (AVRO-3952) [Python] Python test failures: TypeError: 'Buffer' object is not iterable

["Martin Tzvetanov Grigorov (Jira)" <ji...@apache.org>]

Martin Tzvetanov Grigorov created AVRO-3952:
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             Summary: [Python] Python test failures: TypeError: 'Buffer' object is not iterable
                 Key: AVRO-3952
                 URL: https://issues.apache.org/jira/browse/AVRO-3952
             Project: Apache Avro
          Issue Type: Bug
          Components: python
            Reporter: Martin Tzvetanov Grigorov
            Assignee: Michael A. Smith


Since recently some Python tests started to fail - https://github.com/apache/avro/actions/runs/8111290688/job/22170288605

{code}
py: commands_pre[0]> mkdir -p avro/test/interop /home/runner/work/avro/avro/lang/py/../../build/interop/data
py: commands_pre[1]> cp -r /home/runner/work/avro/avro/lang/py/../../build/interop/data avro/test/interop
py: commands_pre[2]> coverage run -pm avro.test.gen_interop_data avro/interop.avsc avro/test/interop/data/py.avro
Traceback (most recent call last):
  File "/home/runner/work/avro/avro/lang/py/avro/test/gen_interop_data.py", line 103, in <module>
    raise SystemExit(main())
  File "/home/runner/work/avro/avro/lang/py/avro/test/gen_interop_data.py", line 98, in main
    generate(args.schema_path, op)
  File "/home/runner/work/avro/avro/lang/py/avro/test/gen_interop_data.py", line 71, in generate
    for codec, data in output:
  File "/home/runner/work/avro/avro/lang/py/avro/test/gen_interop_data.py", line 67, in <genexpr>
    output = ((codec, gen_data(codec, datum_writer, interop_schema)) for codec in CODECS_TO_VALIDATE)
  File "/home/runner/work/avro/avro/lang/py/avro/test/gen_interop_data.py", line 60, in gen_data
    dfw.flush()
  File "/home/runner/work/avro/avro/lang/py/avro/datafile.py", line 277, in flush
    self._write_block()
  File "/home/runner/work/avro/avro/lang/py/avro/datafile.py", line 241, in _write_block
    compressed_data, compressed_data_length = codec.compress(uncompressed_data)
  File "/home/runner/work/avro/avro/lang/py/avro/codecs.py", line 151, in compress
    compressed_data = snappy.compress(data)
  File "/home/runner/work/avro/avro/lang/py/.tox/py/site-packages/snappy/snappy.py", line 78, in compress
    return bytes(_compress(data))
TypeError: 'Buffer' object is not iterable
py: exit 1 (1.10 seconds) /home/runner/work/avro/avro/lang/py> coverage run -pm avro.test.gen_interop_data avro/interop.avsc avro/test/interop/data/py.avro pid=2134
py: commands_post[0]> coverage combine --append
Combined data file .coverage.fv-az882-457.2134.989353
py: commands_post[1]> coverage report
{code}



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