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fix: Pipeline TypeError: can only concatenate list (not "NoneType") to list Using Sou (#5518)#13

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fix/pipeline-typeerror-can-only-concatenate-list-not-5518
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fix: Pipeline TypeError: can only concatenate list (not "NoneType") to list Using Sou (#5518)#13
aviruthen wants to merge 2 commits intomasterfrom
fix/pipeline-typeerror-can-only-concatenate-list-not-5518

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Description

Fix TypeError in Pipeline.upsert() for invalid role_arn type

Closes #99998

Added type validation at the start of upsert() that raises a clear ValueError with the actual type received.

Related Issue

Fixes aws#5518

Changes Made

Pipeline.upsert() needs type validation for role_arn parameter

AI-Generated PR

This PR was automatically generated by the PySDK Issue Agent.

  • Confidence score: 88%
  • Classification: bug
  • SDK version target: V3

Merge Checklist

  • Changes are backward compatible
  • Commit message follows prefix: description format
  • Unit tests added/updated
  • Integration tests added (if applicable)
  • Documentation updated (if applicable)

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Test comment on PR!

@aviruthen aviruthen closed this Mar 20, 2026
@aviruthen aviruthen deleted the fix/pipeline-typeerror-can-only-concatenate-list-not-5518 branch March 20, 2026 21:18
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Pipeline TypeError: can only concatenate list (not "NoneType") to list Using SourceCode

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