Update app.py

app.py

@@ -49,7 +49,7 @@ graph.add_node("tools", tool_node)
 graph.add_edge(
     START,
     "agent",
-    transition=lambda state, user_input: {"messages": [user_input]},
+    lambda state, user_input: {"messages": [user_input]},
 )
 
 # Edge C: "tools" → "agent"
@@ -57,7 +57,7 @@ graph.add_edge(
 graph.add_edge(
     "tools",
     "agent",
-    transition=lambda state, tool_output: tool_output,
+    lambda state, tool_output: tool_output,
 )
 
 # 7) Use add_conditional_edges out of "agent" instead of two separate edges