(self, key)
Delete a blob

        :param key: Blob key.
        :returns: True if the blob was deleted else false. None if it is
        not known if the blob was deleted or not.
Delete a blob
Delete a blob
def delete(self, key):
        """Delete a blob

        :param key: Blob key.
        :returns: True if the blob was deleted else false. None if it is
        not known if the blob was deleted or not.
        """
        raise NotImplementedError
def delete ( self , key ) : raise NotImplementedError