Update app.py

app.py

@@ -64,7 +64,7 @@ except Exception as e:
 # 'google/gemma-2b-it' is a good option.
 # Ensure you set up environment variables or secrets for API keys if using paid models.
 try:
-    llm_pipeline = pipeline("text-generation", model="google/gemma-2b-it")
+    llm_pipeline = pipeline("text-generation", model="TinyLlama/TinyLlama-1.1B-Chat-v1.0")
 except Exception as e:
     print(f"Error loading LLM pipeline: {e}")
     llm_pipeline = None # Placeholder