def read_from_fd(self):
        raise NotImplementedError()
Constructor.
dataset/ETHPy150Open D-L/SimpleBookMarks/src/tornado/iostream.py/BaseIOStream.read_from_fd--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/bulkloader.py/Loader.__init__