async def uvarint(self, elem):
        """
        Uvarint
        :param elem:
        :return:
        """
        if self.writing:
            return await dump_uvarint(self.iobj, elem)
        else:
            return await load_uvarint(self.iobj)
async def uvarint ( self , elem ) : if self . writing : return await dump_uvarint ( self . iobj , elem ) else : return await load_uvarint ( self . iobj )
Uvarint
        :param elem:
        :return: