

def __contains__(self, key):
    if (key in self.table):
        return True
    try:
        return self.parent.__contains__(key)
    except AttributeError:
        return False

dataset/ETHPy150Open appcelerator-archive/poc-nodejs-desktop/Resources/nodejs/builds/linux/node/lib/node/wafadmin/Environment.py Environment.__contains__/original