[BEAM-12796] Executing a BQ pipeline without the new BQ read API library results in a TypeError

• Type: Bug
• Status: Resolved
• Priority: P1
• Resolution: Fixed
• Fix Version/s: 2.33.0
• Component/s: io-py-gcp
• Assignee: Vachan Shetty
• Reporter: Chamikara Madhusanka Jayalath
• Created: 24/Aug/21 21:47
• Updated: 10/Sep/21 22:35
• Resolved: 10/Sep/21 22:35

Description

Executing a BQ pipeline without the new BQ read API library results in following error which is not helpful.

{{if (isinstance(self.table_reference, TableReference) and
self.table_reference.projectId is None):
E TypeError: isinstance() arg 2 must be a type or tuple of types}}

{{}}

This seems to be due to the new import here: https://github.com/apache/beam/blob/76d0dcb6081b8a8f03e4292a4f99274a8c9a5965/sdks/python/apache_beam/io/gcp/bigquery.py#L335

added by https://github.com/apache/beam/pull/15185

{{}}

Previously BQ client library was a part of Beam so this is a new failure mode. We should provide a better error message here.

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Issue Links

• links to: GitHub Pull Request #15388