style(v2): Format function parameters to comply with code style guidelines

Author: luk384090-cloud

dashscope/v2/_config.py

@@ -543,7 +543,8 @@ def _api_key_from_file() -> Optional[str]:
 
 
 def save_api_key(
-    api_key: str, api_key_file_path: Optional[str] = None
+    api_key: str,
+    api_key_file_path: Optional[str] = None,
 ) -> None:
     """Store an api key in the key file ``_api_key_from_file`` reads back.
 

tests/v2/test_config.py

@@ -483,7 +483,9 @@ def test_save_api_key_writes_the_default_path(
 
 
 def test_save_api_key_accepts_a_bare_filename(
-    clean_env, tmp_path, monkeypatch
+    clean_env,
+    tmp_path,
+    monkeypatch,
 ):
     from dashscope.v2 import save_api_key