feat(ark e2e): fix lint

Change-Id: Iacb0aed1e4f9d1e2d9c8254089fedeb9560205ec

Author: liuhuiqi.7

volcenginesdkark/models/get_endpoint_certificate_request.py

@@ -6,7 +6,7 @@
     No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)  # noqa: E501
 
     OpenAPI spec version: common-version
-    
+
     Generated by: https://github.com/swagger-api/swagger-codegen.git
 """
 

volcenginesdkarkruntime/_client.py

@@ -284,6 +284,7 @@ def _load_api_key(self, ep: str, duration_seconds: int,
 
 class E2ECertificateManager(object):
 
+
     def __init__(self, ak: str, sk: str, region: str):
         self._certificate_manager: Dict[str, key_agreement_client] = {}
 
@@ -316,4 +317,4 @@ def get(self, ep: str) -> key_agreement_client:
             self._certificate_manager[ep] = key_agreement_client(
                 certificate_pem_string=cert_pem
             )
-        return self._certificate_manager[ep]
+        return self._certificate_manager[ep]