Python/Discord botでエラー

###したい事
Discord.pyの翻訳botを作りたい
###質問理由
エラー表示が起きて起動しない為
###エラー内容

Ignoring exception in on_message
Traceback (most recent call last):
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/discord/client.py", line 333, in _run_event
await coro(*args, **kwargs)
File "<string>", line 76, in on_message
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/googletrans/client.py", line 255, in detect
data = self._translate(text, 'en', 'auto', kwargs)
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/googletrans/client.py", line 78, in _translate
token = self.token_acquirer.do(text)
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/googletrans/gtoken.py", line 194, in do
self._update()
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/googletrans/gtoken.py", line 62, in _update
code = self.RE_TKK.search(r.text).group(1).replace('var ', '')
AttributeError: 'NoneType' object has no attribute 'group'

###補足
言語_Python/バージョン_3.8.3
###該当コード

Python
1elif message.content.startswith('t'):
2        say = message.content
3        say = say[7:]
4        if say.find('-') == -1:
5            str = say
6            detact = translator.detect(str)
7            befor_lang = detact.lang
8            if befor_lang == 'ja':
9                convert_string = translator.translate(str, src=befor_lang, dest='en')
10                embed = discord.Embed(title='変換結果', color=0xff0000)
11                embed.add_field(name='Befor', value=str)
12                embed.add_field(name='After', value=convert_string.text, inline=False)
13                await message.channel.send(embed=embed)
14            else:
15                convert_string = translator.translate(str, src=befor_lang, dest='ja')
16                embed = discord.Embed(title='変換結果', color=0xff0000)
17                embed.add_field(name='Befor', value=str)
18                embed.add_field(name='After', value=convert_string.text, inline=False)
19                await message.channel.send(embed=embed)
20        else:
21            trans, str = list(say.split('='))
22            befor_lang, after_lang = list(trans.split('-'))
23            convert_string = translator.translate(str, src=befor_lang, dest=after_lang)
24            embed = discord.Embed(title='変換結果', color=0xff0000)
25            embed.add_field(name='Befor', value=str)
26            embed.add_field(name='After', value=convert_string.text, inline=False)
27            await message.channel.send(embed=embed)
28
29    if message.content.startswith('!detect'):
30        say = message.content
31        s = say[8:]
32        detect = translator.detect(s)
33        m = 'この言語は ' + detect.lang + ' と思われます'
34        await message.channel.send(m)