Update app.py

app.py

@@ -150,7 +150,7 @@ def initialize_llm():
 
         # Initialize with minimal settings
         llm = HuggingFaceHub(
-            repo_id="google/flan-t5-base",  # Using a simpler model for testing
+            repo_id="mistralai/Mistral-7B-Instruct-v0.3",  # Using a simpler model for testing
             huggingfacehub_api_token=api_token
         )