Object of type builtin_function_or_method is not JSON serializable

[yinghanwen]

错误日志：

[2021-09-11 16:38:37,506 nonebot] ERROR: An exception occurred while running command ('my_chat',):
[2021-09-11 16:38:37,506 nonebot] ERROR: Object of type builtin_function_or_method is not JSON serializable
Traceback (most recent call last):
  File "C:\Users\Beimo\AppData\Local\Programs\Python\Python39\lib\site-packages\nonebot-1.8.4-py3.9.egg\nonebot\command\__init__.py", line 866, in _real_run_command
    await asyncio.wait_for(future, timeout)
  File "C:\Users\Beimo\AppData\Local\Programs\Python\Python39\lib\asyncio\tasks.py", line 442, in wait_for
    return await fut
  File "C:\Users\Beimo\AppData\Local\Programs\Python\Python39\lib\site-packages\nonebot-1.8.4-py3.9.egg\nonebot\command\__init__.py", line 173, in run
    await self.func(session)
  File "D:\nonebot\Ganyu\plugins\group_manager\group_info.py", line 15, in my_chat
    current_talkative = await session.bot.get_group_honor_info(
  File "C:\Users\Beimo\AppData\Local\Programs\Python\Python39\lib\site-packages\aiocqhttp\__init__.py", line 238, in call_action
    return await self._api.call_action(action=action, **params)
  File "C:\Users\Beimo\AppData\Local\Programs\Python\Python39\lib\site-packages\aiocqhttp\api_impl.py", line 178, in call_action
    result = await self._wsr_api.call_action(action, **params)
  File "C:\Users\Beimo\AppData\Local\Programs\Python\Python39\lib\site-packages\aiocqhttp\api_impl.py", line 146, in call_action
    json.dumps({
  File "C:\Users\Beimo\AppData\Local\Programs\Python\Python39\lib\json\__init__.py", line 231, in dumps
    return _default_encoder.encode(obj)
  File "C:\Users\Beimo\AppData\Local\Programs\Python\Python39\lib\json\encoder.py", line 199, in encode
    chunks = self.iterencode(o, _one_shot=True)
  File "C:\Users\Beimo\AppData\Local\Programs\Python\Python39\lib\json\encoder.py", line 257, in iterencode
    return _iterencode(o, 0)
  File "C:\Users\Beimo\AppData\Local\Programs\Python\Python39\lib\json\encoder.py", line 179, in default
    raise TypeError(f'Object of type {o.__class__.__name__} '
TypeError: Object of type builtin_function_or_method is not JSON serializable

代码：

from nonebot import on_command, CommandSession
from nonebot.permission import *
from nonebot import CQHttpError

@on_command("my_chat",aliases=("查询群信息","群信息","查群"),permission=EVERYBODY,only_to_me=False)
async def my_chat(session:CommandSession):
    group_id = str(session.ctx['group_id'])
    try:
        member_list = await session.bot.get_group_member_list(
            group_id=group_id
        )
        group_name = await session.bot.get_group_info(
            group_id=group_id
        )
        current_talkative = await session.bot.get_group_honor_info(
            group_id=group_id,
            type=all
        )
    except CQHttpError:
        await session.send("出现错误，无法获取")
        return
    await session.send(f"您正在查询{group_name}({group_id})的信息"
                       f'群内人数：{len(member_list)} 人\n'
                       f'本日龙王：{current_talkative}\n'
                       )

[yanyongyu]

 current_talkative = await session.bot.get_group_honor_info(
     group_id=group_id,
-    type=all
+    type="all"
 )