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community[patch]: Handle empty PR body in get_pull_request in Github utility (#26739)

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**Description:**
When PR body is empty `get_pull_request` method fails with bellow
exception.


**Issue:**
```
TypeError('expected string or buffer')Traceback (most recent call last):


  File ".../.venv/lib/python3.9/site-packages/langchain_core/tools/base.py", line 661, in run
    response = context.run(self._run, *tool_args, **tool_kwargs)


  File ".../.venv/lib/python3.9/site-packages/langchain_community/tools/github/tool.py", line 52, in _run
    return self.api_wrapper.run(self.mode, query)


  File ".../.venv/lib/python3.9/site-packages/langchain_community/utilities/github.py", line 816, in run
    return json.dumps(self.get_pull_request(int(query)))


  File ".../.venv/lib/python3.9/site-packages/langchain_community/utilities/github.py", line 495, in get_pull_request
    add_to_dict(response_dict, "body", pull.body)


  File ".../.venv/lib/python3.9/site-packages/langchain_community/utilities/github.py", line 487, in add_to_dict
    tokens = get_tokens(value)


  File ".../.venv/lib/python3.9/site-packages/langchain_community/utilities/github.py", line 483, in get_tokens
    return len(tiktoken.get_encoding("cl100k_base").encode(text))


  File "....venv/lib/python3.9/site-packages/tiktoken/core.py", line 116, in encode
    if match := _special_token_regex(disallowed_special).search(text):


TypeError: expected string or buffer
```

**Twitter:**  __gorros__
This commit is contained in:
Gor Hayrapetyan 2024-09-22 05:56:24 +04:00 committed by GitHub
parent 238a31bbd9
commit f97ac92f00
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1 changed files with 1 additions and 1 deletions
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libs/community/langchain_community/utilities/github.py
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@ -492,7 +492,7 @@ class GitHubAPIWrapper(BaseModel):
response_dict: Dict[str, str] = {}
add_to_dict(response_dict, "title", pull.title)
add_to_dict(response_dict, "number", str(pr_number))
add_to_dict(response_dict, "body", pull.body)
add_to_dict(response_dict, "body", pull.body if pull.body else "")
comments: List[str] = []
page = 0