Update app.py

app.py

@@ -11,18 +11,22 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 # --- Basic Agent Definition ---
 class BasicAgent:
     def __init__(self):
-        print("Initializing BasicAgent with a lightweight transformer model...")
-        self.assistant_model = pipeline("text-generation", model="sshleifer/tiny-gpt2", device=-1)
+        print("Loading FLAN-T5 model...")
+        self.assistant_model = pipeline(
+            "text2text-generation",
+            model="google/flan-t5-base",
+            tokenizer="google/flan-t5-base"
+        )
 
     def __call__(self, question: str) -> str:
-        print(f"Agent received question: {question}")
+        print(f"Answering: {question}")
         try:
-            response = self.assistant_model(question, max_length=40, do_sample=False, num_return_sequences=1)
+            response = self.assistant_model(question, max_length=128, do_sample=False)
             answer = response[0]["generated_text"]
-            print(f"Generated answer: {answer}")
+            print(f"Answer: {answer}")
             return answer.strip()
         except Exception as e:
-            print(f"Error during model generation: {e}")
+            print(f"Error: {e}")
             return f"Error generating answer: {e}"