Update app.py

app.py

@@ -177,7 +177,7 @@ def load_models_and_documents():
                         if os.path.exists(dest_path):
                             print(f"{dest_path} already exists, skipping or renaming")
                         else:
-                            shutil.move(file, model_path)
+                            shutil.copy(file, model_path)
 
         if os.path.exists(f"{model_path}/tekken.json"):
             print('EXIST')