Update app.py

app.py

@@ -30,7 +30,7 @@ async def load_models():
         "Salesforce/codegen-350M-multi", 
         "Salesforce/codegen-2B-multi"
     ]
-    gpt_models = ["gpt2-medium", "gpt2-large", "gpt2", "gemma-2-9b"] + programming_models
+    gpt_models = ["gpt2-medium", "gpt2-large", "gpt2", "google/gemma-2-9b"] + programming_models
     
     models = []
     for model_name in gpt_models: