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https://issues.apache.org/jira/browse/AVRO-3252?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17443815#comment-17443815
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Martin Tzvetanov Grigorov commented on AVRO-3252:
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Recently reported at
https://github.com/apache/avro/commit/e8c61ba4f0051a76d4bf2e2d4391ec92a6e90f4f#r60209396
> datafile reader fails with BytesIO stream on version 1.11
> ---------------------------------------------------------
>
> Key: AVRO-3252
> URL: https://issues.apache.org/jira/browse/AVRO-3252
> Project: Apache Avro
> Issue Type: Bug
> Components: python
> Environment: Windows and Linux
> Python 3.6 to 3.9
> avro==1.11.0
> Reporter: Florenz Hollebrandse
> Priority: Major
>
> {code}
> >>> import io
> >>> import avro.datafile
> >>> import avro.io
> >>> data = io.BytesIO()
> >>> datum_reader = avro.io.DatumReader()
> >>> avro.datafile.DataFileReader(data, datum_reader)
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "I:\tmpenv\lib\site-packages\avro\datafile.py", line 318, in __init__
> if "b" not in reader.mode:
> AttributeError: '_io.BytesIO' object has no attribute 'mode'
> {code}
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