old_contents: """
  Utilities for tests.
  """
  
  
  class VuforiaDatabaseKeys:
      """
      Credentials for VWS APIs.
      """
  
      def __init__(
          self,
          server_access_key: str,
          server_secret_key: str,
          client_access_key: str,
          client_secret_key: str,
          database_name: str,
      ) -> None:
          """
          Args:
              database_name: The name of a VWS target manager database name.
              server_access_key: A VWS server access key.
              server_secret_key: A VWS server secret key.
              client_access_key: A VWS client access key.
              client_secret_key: A VWS client secret key.
  
          Attributes:
              database_name (str): The name of a VWS target manager database
                  name.
              server_access_key (bytes): A VWS server access key.
              server_secret_key (bytes): A VWS server secret key.
              client_access_key (bytes): A VWS client access key.
              client_secret_key (bytes): A VWS client secret key.
          """
          self.server_access_key: bytes = bytes(
              server_access_key,
              encoding='utf-8',
          )
          self.server_secret_key: bytes = bytes(
              server_secret_key,
              encoding='utf-8',
          )
          self.database_name = database_name
  
new_contents: """
  Utilities for tests.
  """
  
  
  class VuforiaDatabaseKeys:
      """
      Credentials for VWS APIs.
      """
  
      def __init__(
          self,
          server_access_key: str,
          server_secret_key: str,
          client_access_key: str,
          client_secret_key: str,
          database_name: str,
      ) -> None:
          """
          Args:
              database_name: The name of a VWS target manager database name.
              server_access_key: A VWS server access key.
              server_secret_key: A VWS server secret key.
              client_access_key: A VWS client access key.
              client_secret_key: A VWS client secret key.
  
          Attributes:
              database_name (str): The name of a VWS target manager database
                  name.
              server_access_key (bytes): A VWS server access key.
              server_secret_key (bytes): A VWS server secret key.
              client_access_key (bytes): A VWS client access key.
              client_secret_key (bytes): A VWS client secret key.
          """
          self.server_access_key: bytes = bytes(
              server_access_key,
              encoding='utf-8',
          )
          self.server_secret_key: bytes = bytes(
              server_secret_key,
              encoding='utf-8',
          )
          self.client_access_key: bytes = bytes(
              client_access_key,
              encoding='utf-8',
          )
          self.client_secret_key: bytes = bytes(
              client_secret_key,
              encoding='utf-8',
          )
          self.database_name = database_name
  
subject: Fix lint