Update app.py

app.py

@@ -68,7 +68,7 @@ class LangChainAgentWrapper:
         
         # Using a newer, more capable instruction-tuned model.
         # This model is generally better at following the ReAct prompt format used by LangChain agents.
-        model_id = "mistralai/Mistral-7B-Instruct-v0.1" 
+        model_id = "google/gemma-2b-it" 
         # model_id = "bigcode/starcoderbase-1b" # You can still use starcoder if you prefer
         
         try: