community: OCI Generative AI tool calling bug fix (#26910)
- [x] **PR title**:
"community: OCI Generative AI tool calling bug fix
- [x] **PR message**:
- **Description:** bug fix for streaming chat responses with tool calls.
Update to PR 24693
- **Issue:** chat response content is repeated when streaming
- **Dependencies:** NA
- **Twitter handle:** NA
- [x] **Add tests and docs**: NA
- [x] **Lint and test**: make format, make lint and make test we run
successfully
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Co-authored-by: Arthur Cheng <arthur.cheng@oracle.com>
Co-authored-by: Erick Friis <erick@langchain.dev>
