Update app.py

app.py

@@ -76,7 +76,7 @@ global_data = {
 
 model_configs = [
     {
-        "repo_id":"bartowski/Llama-3.3-70B-Instruct-GGUF,
+        "repo_id": "bartowski/Llama-3.3-70B-Instruct-GGUF",
         "filename": "Llama-3.3-70B-Instruct-Q2_K.gguf",
         "name": "testing"
     }