Update app.py

app.py

@@ -103,10 +103,7 @@ def refresh_models():
     global embedding_models, free_embedding_models
     
     text_models = get_all_models(FREE_MODEL_TEST_KEY, "chat")
-    embedding_models = {
-        sub_type: get_all_models(FREE_MODEL_TEST_KEY, sub_type)
-        for sub_type in ["embedding", "reranker"]
-    }
+    embedding_models = get_all_models(FREE_MODEL_TEST_KEY, "embedding")
     free_text_models = []
     free_embedding_models = []