def get_default_username():
If any of the :attr:`tags` matched this method is called with the
dataset/ETHPy150Open ClusterHQ/flocker/flocker/provision/_common.py/INode.get_default_username--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/jinja2-2.6/jinja2/ext.py/Extension.parse