async def METHOD_NAME(self, output: str) -> str | None:
    """Upload `internal eval` output to our pastebin and return the url."""
    data = self.shorten_output(output, max_length=MAX_LENGTH)
    try:
        async with self.bot.http_session.post(
            "https://paste.pythondiscord.com/documents", data=data, raise_for_status=True
        ) as resp:
            data = await resp.json()
        if "key" in data:
            return f"https://paste.pythondiscord.com/{data['key']}"
    except Exception:
        # 400 (Bad Request) means there are too many characters
        log.exception("Failed to upload `internal eval` output to paste service!")