async def say_text(ctx, *, arg=None):
if arg is None:
await ctx.send(embed=discord.Embed(title="Ошибка!", description="Правильное использование:\n/say_text [текст]"))
else:
deleted = await ctx.message.channel.purge(limit=1)
await ctx.send(arg)
https://github.com/AlexZeGamer/distort-video