feat(ark cryptography dependancy): fix lint

Change-Id: I80d4ca17cba856c4a2065282bb4fbc50425e7956

Author: liuhuiqi.7

volcenginesdkarkruntime/_utils/_key_agreement.py

@@ -70,13 +70,13 @@ class key_agreement_client():
     def __init__(self, certificate_pem_string: str) -> None:
         """ Load cert and extract public key
         """
-        __fixed_version__ = "43.0.3" # version check
+        __fixed_version__ = "43.0.3"  # version check
         from cryptography import __version__
         if __version__ != __fixed_version__:
             raise Exception("The cryptography package of Ark SDK only supports version {}, "
                             "please install the cryptography package by using pip install cryptography=={}".
                             format(__fixed_version__, __fixed_version__))
-        
+
         pem_data = certificate_pem_string.encode()
         self._cert = x509.load_pem_x509_certificate(pem_data)
         cert_pub = self._cert.public_key().public_numbers()