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community[patch]: compatibility with SQLAlchemy 1.4.x (#17954)

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**Description:**
Change type hint on `QuerySQLDataBaseTool` to be compatible with
SQLAlchemy v1.4.x.

**Issue:**
Users locked to `SQLAlchemy < 2.x` are unable to import
`QuerySQLDataBaseTool`.

closes https://github.com/langchain-ai/langchain/issues/17819

**Dependencies:**
None
This commit is contained in:
David Loving 2024-02-22 12:17:07 -06:00 committed by GitHub
parent e237dcec91
commit d068e8ea54
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1 changed files with 1 additions and 1 deletions
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libs/community/langchain_community/tools/sql_database/tool.py
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@ -44,7 +44,7 @@ class QuerySQLDataBaseTool(BaseSQLDatabaseTool, BaseTool):
self, self,
query: str, query: str,
run_manager: Optional[CallbackManagerForToolRun] = None, run_manager: Optional[CallbackManagerForToolRun] = None,
) -> Union[str, Sequence[Dict[str, Any]], Result[Any]]: ) -> Union[str, Sequence[Dict[str, Any]], Result]:
"""Execute the query, return the results or an error message.""" """Execute the query, return the results or an error message."""
return self.db.run_no_throw(query) return self.db.run_no_throw(query)