def has_format(self, mime_type):
        raise NotImplementedError
Eagerly evaluate tasklets until it is blocking on some RPC.
dataset/ETHPy150Open nucleic/enaml/enaml/mime_data.py/MimeData.has_format--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/appengine-opencv-sudoku-python/cloudstorage/api_utils.py/_run_until_rpc