Update app.py

app.py

@@ -98,16 +98,8 @@ def reload_models_task(model_choices):
             LOADED_TOKENIZERS.update(new_tokenizers)
             
             # Delete old model references
-            for model_name in old_models:
-                try:
-                    del old_models[model_name]
-                except:
-                    pass
-            for tokenizer_name in old_tokenizers:
-                try:
-                    del old_tokenizers[tokenizer_name]
-                except:
-                    pass
+            del old_models
+            del old_tokenizers
             
             # Clear memory
             clear_memory()