fix: agenerate miss run_manager args in llm.py (#4566)

# fix: agenerate miss run_manager args in llm.py

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Fixes # (issue)
fix: agenerate miss run_manager args in llm.py


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langchain/chains/llm.py

@@ -86,7 +86,7 @@ class LLMChain(Chain):
         run_manager: Optional[AsyncCallbackManagerForChainRun] = None,
     ) -> LLMResult:
         """Generate LLM result from inputs."""
-        prompts, stop = await self.aprep_prompts(input_list)
+        prompts, stop = await self.aprep_prompts(input_list, run_manager=run_manager)
         return await self.llm.agenerate_prompt(
             prompts, stop, callbacks=run_manager.get_child() if run_manager else None
         )