Create a requests session to access the REST API

    :return: requests session
    :rtype: Session

def get_session():
    """
    Create a requests session to access the REST API

    :return: requests session
    :rtype: Session
    """
    config = PyquilConfig()
    session = requests.Session()
    retry_adapter = HTTPAdapter(max_retries=Retry(total=3,
                                                  method_whitelist=['POST'],
                                                  status_forcelist=[502, 503, 504, 521, 523],
                                                  backoff_factor=0.2,
                                                  raise_on_status=False))

    session.mount("http://", retry_adapter)
    session.mount("https://", retry_adapter)

    # We need this to get binary payload for the wavefunction call.
    session.headers.update({"Accept": "application/octet-stream",
                            "X-User-Id": config.user_id,
                            "X-Api-Key": config.api_key})

    session.headers.update({
        'Content-Type': 'application/json; charset=utf-8'
    })

    return session