How to issue a role with async def?

Question

Python

How to make a role issue in async def?
self.function(*self.args, **self.kwargs)
RuntimeWarning: Enable tracemalloc to get the object allocation traceback

Answer 1

async def addrole(ctx):
    member = ctx.message.author
    role = get(member.server.roles, name="role_name")
    await bot.add_roles(member, role)