langchain tests

Author: hassiebp

langfuse/langchain/CallbackHandler.py

@@ -538,7 +538,7 @@ def __on_llm_action(
         try:
             tools = kwargs.get("invocation_params", {}).get("tools", None)
             if tools and isinstance(tools, list):
-                prompts.extend(*({"role": "tool", "content": tool} for tool in tools))
+                prompts.extend([{"role": "tool", "content": tool} for tool in tools])
 
             model_name = self._parse_model_and_log_errors(
                 serialized=serialized, metadata=metadata, kwargs=kwargs