def get(self, key_path):
        rev = 0
        if key_path in self.revisions:
            rev = self.revisions[key_path]
        try:
            return self.client.get(self.folder(key_path), rev).value
        except RevMismatch:
            print 'revision mismach..'
            item = self.client.get(self.folder(key_path))
            self.revisions[key_path] = item.rev
            return item.value
get the latest data for path.
dataset/ETHPy150Open progrium/pydoozer/examples/doozerdata.py/DoozerData.get