style: 清空仅含编码声明的 __init__.py 并补尾随逗号

- fix-encoding-pragma 钩子会把只含 coding pragma 的文件截断为空,__init__.py 恢复为空文件(pre-commit-hooks v4.3.0 特殊分支)
- add-trailing-comma 钩子要求 AsyncMock 调用补尾随逗号

Author: agentscope-ai-java

tests/__init__.py

@@ -1 +0,0 @@
-# -*- coding: utf-8 -*-

tests/unit/__init__.py

@@ -1 +0,0 @@
-# -*- coding: utf-8 -*-

tests/unit/test_opd.py

@@ -168,7 +168,7 @@ async def test_opd_example_uploads_local_datasets(rl_client):
     with patch(
         "dashscope.finetune.reinforcement.common.model.to_bailian_data",
         new=AsyncMock(
-            side_effect=[["file-train-001"], ["file-validation-001"]]
+            side_effect=[["file-train-001"], ["file-validation-001"]],
         ),
     ):
         train_ids, validation_ids = await rl_client.upload_datasets()