def logout(api_key=None):
    
    root, body = create_root_request()
    
    el = create_request_type(body, "logout")
    create_api_key_element(el, api_key)
    
    return tostring(root)
L{DigestCredentialFactory.decode} accepts a digest challenge response
dataset/ETHPy150Open mapbox/usgs/usgs/soap.py/logout--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_digestauth.py/DigestAuthTests.test_responseWithoutQuotes