Updating what's printed to screen during model checks

app.py

@@ -100,7 +100,7 @@ def is_model_overloaded(model_url):
 def get_available_model():
     """Select the first model available from the list."""
     for model_url in MODEL_IDS:
-        print("trying model_url\n")
+        print("trying",model_url,"\n")
         if not is_model_overloaded(model_url):
             return model_url
     return MODEL_IDS[0]  # if all are failing, use the first model by dfault