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app.py

@@ -397,7 +397,7 @@ from langgraph.graph import END, StateGraph, START
 
 def create_workflow() -> StateGraph:
     """Creates the updated workflow for the AI nutrition agent."""
-    workflow = StateGraph(_____ )  # Complete the code to define the initial state of the agent
+    workflow = StateGraph(AgentState)  # Complete the code to define the initial state of the agent
 
     # Add processing nodes
     workflow.add_node("expand_query", expand_query )         # Step 1: Expand user query. Complete with the function to expand the query