Update app.py

app.py

@@ -18,15 +18,18 @@ class BasicAgent:
     def __init__(self):
         print("BasicAgent initialized.")
         self.agent_graph = build_graph()
-    def __call__(self, input: str) -> str:
+    def __call__(self, input: dict) -> str:
+        print(input)
+        question = input.get("question", "No question provided")
+        file_name = input.get("file_name", "")
+
         print(f"Agent received question (first 50 chars): {question[:50]}...")
 
         messages = [HumanMessage(content=f"Can you answer this question please ? {question}")]
 
-        question = input.get("question", "No question provided")
-        file_name = input.get("file_name", "")
+
         messages = self.agent_graph.invoke(
-            input={"messages": messages, "question": question, "input_file": file_name}, 
+            input={"messages": messages, "question": question, "input_file": file_name},
             config={
                 "recursion_limit": 10,
                 "callbacks": [langfuse_handler]