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我想通過slacker包（版本0.8.6）自動發佈一些數字到我的slack頻道。有時，需要打印的數量是0，但我發現，張貼0或"0"給我一個錯誤...通過`slacker`和Slack API發佈「0」到Slack頻道
from slacker import Slacker
API_TOKEN = XXXXXXXXXX # I load in my api token from an environment variable
slack = Slacker(API_TOKEN)
channel = '#test-channel'
message = "0"
slack.chat.post_message(channel, message, parse='full')
我得到這個錯誤：slacker.Error: no_text
這是一個錯誤在我的代碼中，slacker或Slack API本身？
完整堆棧跟蹤：
Traceback (most recent call last):
File "field-utils/fieldutils/slack.py", line 56, in <module>
slack.chat.post_message(channel, message, parse='full')
File "/Users/pedro/tools/slack-bot/venv/lib/python2.7/site-packages/slacker/__init__.py", line 257, in post_message
'icon_emoji': icon_emoji
File "/Users/pedro/tools/slack-bot/venv/lib/python2.7/site-packages/slacker/__init__.py", line 69, in post
return self._request(requests.post, api, **kwargs)
File "/Users/pedro/tools/slack-bot/venv/lib/python2.7/site-packages/slacker/__init__.py", line 61, in _request
raise Error(response.error)
slacker.Error: no_text