Update pipeline.py

pipeline.py

@@ -77,8 +77,10 @@ logger = logging.getLogger(__name__)
 from langchain_core.tracers import LangChainTracer
 from langsmith import Client
 
-os.environ["LANGCHAIN_TRACING_V2"] = "true"
+os.environ["LANGCHAIN_TRACING"] = "true"
+os.environ["LANGSMITH_ENDPOINT"]="https://api.smith.langchain.com"
 langsmith_client = Client()
+os.environ["LANGSMITH_PROJECT"]="Healthy_ai_expert"
 tracer = LangChainTracer(project_name=os.environ.get("LANGCHAIN_PROJECT", "healthy_ai_expert"))