Захар

if after.channel is not None and member.voice.channel.id == voice_channel and member.voice.channel is not None:
    global channel2
    maincategory = get(member.guild.categories, id = channel_category)
    channel2 = await member.guild.create_voice_channel(name = f'Привитный {member.display_name}', category = maincategory)
    await channel2.set_permissions(member, connect = True, mute_members = True, move_members = True, manage_channels = True)
    await member.move_to(channel2)
elif after.channel is None and len(channel2.members) == 0:
     await channel2.delete()

@client.command()
async def set_permissions(сtx, role: discord.Role = None):
  guild = ctx.message.guild #определяем сервера на котором была использована эта команда
  allvoice = guild.voice_channels
  alltext = guild.text_channels
  await alltext.set_permissions(role, read_messages = True, send_messages = True, manage_channels = True, manage_roles = True)
  await allvoice.set_permissions(role, connect = True, manage_channels = True, manage_roles = True)
  await ctx.send(f'{ctx.author.mention}, вы успешно установили {role.mention} права доступа во всех текстовых/голосовых каналах')