use langchain callback handler to support all LLMs

src/crewai/agent.py

@@ -25,7 +25,9 @@ from crewai.memory.contextual.contextual_memory import ContextualMemory
 from crewai.utilities import I18N, Logger, Prompts, RPMController
 from crewai.utilities.token_counter_callback import TokenCalcHandler, TokenProcess
 
+agentops = None
 try:
+    import agentops
     from agentops import track_agent
 except ImportError:
 
@@ -195,6 +197,12 @@ class Agent(BaseModel):
             ):
                 self.llm.callbacks.append(token_handler)
 
+            if agentops and not any(
+                isinstance(handler, agentops.LangchainCallbackHandler) for handler in self.llm.callbacks
+            ):
+                agentops.stop_instrumenting()
+                self.llm.callbacks.append(agentops.LangchainCallbackHandler())
+
         if not self.agent_executor:
             if not self.cache_handler:
                 self.cache_handler = CacheHandler()