如何安装python-telegram-bot版本20及更高版本
尝试从官方网站运行示例或电报机器人 - https ：//github.com/python-telegram-bot/python-telegram-bot/tree/master/master/examples 已安装：
pip install python-telegram-bot
当我运行示例时，我收到了错误，该版本不兼容。
if __version_info__ < (20, 0, 0, "alpha", 1):
raise RuntimeError(
f"This example is not compatible with your current PTB version {TG_VER}. To view the "
f"{TG_VER} version of this example, "
f"visit https://github.com/python-telegram-bot/python-telegram-bot/tree/v{TG_VER}/examples"
)
它安装了PYPI版本13.12，但示例检查了不同版本V20。因此，错误是合理的。 我如何让榜样工作？
Trying to run examples or telegram bots from official site - https://github.com/python-telegram-bot/python-telegram-bot/tree/master/examples
Installed :
pip install python-telegram-bot
and when i run the example, i got error back that version is not compatible.
if __version_info__ < (20, 0, 0, "alpha", 1):
raise RuntimeError(
f"This example is not compatible with your current PTB version {TG_VER}. To view the "
f"{TG_VER} version of this example, "
f"visit https://github.com/python-telegram-bot/python-telegram-bot/tree/v{TG_VER}/examples"
)
It installs PyPi version 13.12 but example checks different version v20. So, the error is reasonable.
How can I let example working?
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评论（2）
可能您正在使用
v20.0版本中的示例，将标签更改为v13.12Probably you are using examples from
v20.0version, change the tag tov13.12对我感到羞耻，我花了几天时间得到答案 - 20倍仅是预发行版本！要找到明确的解释，您必须阅读Wiki，甚至不在首页上 - https://github.com/python-telegram-bot/python-telegram-bot/wiki/wiki/introduction-to-to-the-api
这是具有20倍状态和正确安装过程的清晰答案的唯一信息来源。
因此，这是过程 -
pip install python -telegram -bot -u -pre -pre顺便说一句，您必须检查是否也安装了“电报”软件包。首先卸载它，然后从刮擦中重新安装电报 - 更好的选择。
Shame on me, I spent a couple of days to get the answer - 20x is pre-release version only! To find clear explanation, you have to read WiKi and not even on the first page - https://github.com/python-telegram-bot/python-telegram-bot/wiki/introduction-to-the-API
That was the only source of info with clear answer with 20x status and right installation procedure.
So, here is the procedure -
pip install python-telegram-bot -U --prebtw, you have to check if "telegram" package installed also. Uninstall it first and then reinstall telegram-bot from the scratch (better with force option).