apache / apache/beam

pyparsing dependency issues

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bug core P2 python
Dominant language
Java
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Description

A fresh install of Beam gives

AttributeError: module 'pyparsing' has no attribute 'downcaseTokens'

when trying to import apache beam. This seems to be from a transitive dependency using deprecated methods, but we may need to pin pyparsing or upgrade the dependency.

Imported from Jira [BEAM-14092](https://issues.apache.org/jira/browse/BEAM-14092). Original Jira may contain additional context.
Reported by: robertwb.

Contributor guide

Open the contributing guide

Research direction

Reproduce the fresh-install failure by importing apache beam, then trace which transitive dependency still calls pyparsing.downcaseTokens. No file or test is named in the issue; done means a fresh install imports successfully with a compatible dependency constraint or upgraded dependency, with regression coverage if an existing test location is found.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data-engineering
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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