def install(html=False):
    if html:
        doctest.OutputChecker = LHTMLOutputChecker
    else:
        doctest.OutputChecker = LXMLOutputChecker
Returns True if the cluster is up, False otherwise.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/lxml-3.3.6/src/lxml/doctestcompare.py/install--crossover with--dataset/ETHPy150Open elastic/elasticsearch-py/elasticsearch/client/__init__.py/Elasticsearch.ping