def is_owner():
async def predicate(ctx):<EOL><INDENT>if not await ctx.bot.is_owner(ctx.author):<EOL><INDENT>raise NotOwner('<STR_LIT>')<EOL><DEDENT>return True<EOL><DEDENT>return check(predicate)<EOL>
A :func:`.check` that checks if the person invoking this command is the
    owner of the bot.

    This is powered by :meth:`.Bot.is_owner`.

    This check raises a special exception, :exc:`.NotOwner` that is derived
    from :exc:`.CheckFailure`.