'Initialize `cert_file`; set `secure` to an ``int`` based on
passed value.'

def __init__(self, cert_file, secure=True, host=None, port=None, url=None, proxy_url=None, timeout=None, backoff=None, retry_delay=None):

    super(CertificateConnection, self).__init__(secure=secure, host=host, port=port, url=url, timeout=timeout, backoff=backoff, retry_delay=retry_delay, proxy_url=proxy_url)
    self.cert_file = cert_file
