Update app.py

app.py

@@ -14,7 +14,7 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 class BasicAgent:
     def __init__(self):
         print("Loading Hugging Face model...")
-        self.pipeline = pipeline("text-generation", model="HuggingFaceH4/zephyr-7b-beta", max_new_tokens=256)
+        self.pipeline = pipeline("text-generation", model="mistralai/Mistral-7B-Instruct-v0.2", max_new_tokens=256)
         print("Model loaded.")
 
     def __call__(self, question: str) -> str: