fix: add helpful error message for malformed tool JSON in non-beta streaming#1300
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Scottcjn wants to merge 1 commit intoanthropics:mainfrom
Open
fix: add helpful error message for malformed tool JSON in non-beta streaming#1300Scottcjn wants to merge 1 commit intoanthropics:mainfrom
Scottcjn wants to merge 1 commit intoanthropics:mainfrom
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…reaming
The beta path (_beta_messages.py) wraps from_json() with a try-except
that provides an actionable error message including the raw JSON.
The non-beta path (_messages.py) was missing this wrapper, causing
raw ValueError with no context ("expected ident at line 1 column 11").
Fixes anthropics#1265
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Summary
The beta streaming path (
_beta_messages.py) wrapsfrom_json()with a try-except that provides an actionable error message when the model emits malformed JSON duringinput_json_deltaevents. The non-beta path (_messages.py) was missing this wrapper.Before: Users see a raw
ValueErrorwith no context:After: Users see a clear message with the raw JSON for debugging:
Changes
src/anthropic/lib/streaming/_messages.py: Added try-except aroundfrom_json()matching the beta path patternTest plan
ValueErrorwith context message_beta_messages.pyline 508-514Fixes #1265