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Posted to issues@beam.apache.org by "Ahmet Altay (Jira)" <ji...@apache.org> on 2021/05/15 01:23:00 UTC

[jira] [Created] (BEAM-12340) Document: _namespace is a reserved field for DoFns (used for display data)

Ahmet Altay created BEAM-12340:
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             Summary: Document: _namespace is a reserved field for DoFns (used for display data)
                 Key: BEAM-12340
                 URL: https://issues.apache.org/jira/browse/BEAM-12340
             Project: Beam
          Issue Type: Bug
          Components: sdk-py-core, website
            Reporter: Ahmet Altay
            Assignee: Pablo Estrada


User reported issue when _namespace is not used for display data:

>     self._populate_items(display_data_dict)
>   File third_party/py/apache_beam/transforms/display.py", line 117, in _populate_items
>     element._namespace(), element.display_data())
> TypeError: 'str' object is not callable



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