Update pipeline.py

pipeline.py

@@ -73,7 +73,10 @@ from prompts import (
 
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
+
+from langchain_core.tracers import LangChainTracer
 from langsmith import Client
+
 os.environ["LANGCHAIN_TRACING_V2"] = "true"
 langsmith_client = Client()
 tracer = LangChainTracer(project_name=os.environ.get("LANGCHAIN_PROJECT", "healthy_ai_expert"))