Update agent.py

agent.py

@@ -27,19 +27,15 @@ try:
 except ImportError:
     from langchain.tools.python.tool import PythonAstREPLTool
 
-# Optional: LangSmith Tracing
-try:
-    from langchain_community.tracing import configure_langsmith
-except ImportError:
-    configure_langsmith = None
-
 # ---------------------------------------------------------------------
 # 0) Optionale LangSmith-Tracing  (setze ENV: LANGCHAIN_API_KEY)
 # ---------------------------------------------------------------------
+
 if os.getenv("LANGCHAIN_API_KEY"):
-    os.environ.setdefault("LANGCHAIN_TRACING_V2", "true")
-    from langchain_community.utils import configure_langsmith
-    configure_langsmith(project_name="gaia-agent")
+    os.environ["LANGCHAIN_TRACING_V2"] = "true"
+    os.environ["LANGCHAIN_ENDPOINT"] = "https://api.smith.langchain.com"
+    os.environ.setdefault("LANGCHAIN_PROJECT", "gaia-agent")
+    print("📡 LangSmith tracing enabled.")
 
 # ---------------------------------------------------------------------
 # 1) Helfer:  Fehler-Decorator + Backoff-Wrapper