Update app.py

app.py

@@ -15,7 +15,7 @@ class SmartLLMAgent:
         print("🔁 Loading SmartLLMAgent with Mistral-7B...")
         self.tokenizer = AutoTokenizer.from_pretrained("mistralai/Mistral-7B-Instruct-v0.2")
         self.model = AutoModelForCausalLM.from_pretrained(
-            "mistralai/Mistral-7B-Instruct-v0.2",
+            "HuggingFaceH4/zephyr-7b-beta",
             torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32,
             device_map="auto"
         )