Cómo prohibir al usuario en discord.py

@client.command()
@commands.has_permissions(kick_members=True)
async def kick(ctx, member: discord.Member, *, reason=None):
    if reason==None:
      reason=" no reason provided"
    await ctx.guild.kick(member)
    await ctx.send(f'User {member.mention} has been kicked for {reason}')
Xenophobic Xenomorph