def writable(self):

        mode = self._mode
        return 'w' in mode or 'a' in mode or '+' in mode

    #def readinto(self, b: bytearray) -> int:
Upload an object.
dataset/ETHPy150Open PyTables/PyTables/tables/nodes/filenode.py/RawPyTablesIO.writable--crossover with--dataset/ETHPy150Open apache/libcloud/libcloud/storage/drivers/backblaze_b2.py/BackblazeB2StorageDriver.upload_object