Update app.py

app.py

@@ -175,7 +175,7 @@ def refresh_models():
             executor.submit(
                 test_image_model_availability,
                 FREE_MODEL_TEST_KEY, model
-            ): model for model in embedding_models
+            ): model for model in image_models
         }
         for future in concurrent.futures.as_completed(future_to_model):
             model = future_to_model[future]