How to use the deployfish.aws.__init__.AWSSessionBuilder.NoSuchAWSProfile function in deployfish

def __get_boto3_session(self, config=None):
        if config:
            # If an API access key pair is provided in the 'aws' section, that
            # has priority
            if 'access_key' in config:
                session = boto3.session.Session(
                    aws_access_key_id=config.get('access_key'),
                    aws_secret_access_key=config.get('secret_key'),
                    region_name=config.get('region', None)
                )
            # If an AWS profile in the 'aws' section, that comes next
            elif 'profile' in config:
                profile = config.get('profile')
                if profile not in boto3.session.Session().available_profiles:
                    raise self.NoSuchAWSProfile("AWS profile '{}' does not exist in your ~/.aws/config".format(profile))
                session = boto3.session.Session(
                    profile_name=config.get('profile'),
                    region_name=config.get('region', None)
                )
            else:
                # We have an 'aws' section, but it has neither credentials nor
                # a profile, so possibly it just has a region.
                session = boto3.session.Session(
                    region_name=config.get('region', None)
                )
        else:
            # There was no 'aws' section in our config, so just leave it up to
            # the normal AWS credentials resolution
            session = boto3.session.Session()
        return session