def __init__(self,data,linestyle='rx-'):
		self.data = sorted(data,lambda x,y: cmp(y[1],x[1]))
		self.linestyle = linestyle
		self.auc() #Seed initial points with default full ROC
create a confpath command line arg for py.test
dataset/ETHPy150Open pivotalsoftware/pymadlib/pymadlib/pyroc.py/ROCData.__init__--crossover with--dataset/ETHPy150Open GustavePate/lycheesync/conftest.py/pytest_addoption