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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def make_blob(self, store=current_store):
 """Gets the byte string of the image from the ``store``. :param store: the storage which contains the image. :data:`~sqlalchemy_imageattach.context.current_store` by default :type store: :class:`~sqlalchemy_imageattach.store.Store` :returns: the binary data of the image :rtype: :class:`str` """

        with self.open_file(store) as f:
            return f.read()