core[major]: AsyncCallbackManagerForToolRun no longer casts return object to string (#20374)

- **Description:** Stops `AsyncCallbackManagerForToolRun` from converting the output to str - **Issue:** #20372 - **Dependencies:** None
4 weeks ago · 40aff1eacc
parent 25fbe356b4
commit 40aff1eacc
1 changed files with 0 additions and 1 deletions
--- a/libs/core/langchain_core/callbacks/manager.py
+++ b/libs/core/langchain_core/callbacks/manager.py
@ -1045,7 +1045,6 @@ class AsyncCallbackManagerForToolRun(AsyncParentRunManager, ToolManagerMixin):
        Args:
            output (Any): The output of the tool.
        """
-        output = str(output)
        await ahandle_event(
            self.handlers,
            "on_tool_end",