(self, region_name)
Instantiates an AWS request signer used to compute authenticated signed
        requests to AWS APIs based on the AWS Signature Version 4 signing process.

        Args:
            region_name (str): The AWS region to use.
Instantiates an AWS request signer used to compute authenticated signed
        requests to AWS APIs based on the AWS Signature Version 4 signing process.
Instantiates an AWS request signer used to compute authenticated signed requests to AWS APIs based on the AWS Signature Version 4 signing process .
def __init__(self, region_name):
        """Instantiates an AWS request signer used to compute authenticated signed
        requests to AWS APIs based on the AWS Signature Version 4 signing process.

        Args:
            region_name (str): The AWS region to use.
        """

        self._region_name = region_name
def __init__ ( self , region_name ) : self . _region_name = region_name