如:pip install pypng -i https://pypi.tuna.tsinghua.edu.cn/simple 如果还是报错,可以尝试加上受信任的命令: 如:pip install pypng
QQBot而成,是一款QQ聊天机器人 二、安装方法 在 Python 3.4/3.5 下使用,用 pip3 安装: pip3 install chatterbot hug requests pyqrcode pypng
2019.3.9 chardet==3.0.4 DingtalkChatbot==1.3.0 future==0.17.1 idna==2.8 itchat==1.2.32 PyMySQL==0.9.3 pypng
chardet 3.0.4 future 0.17.1 idna 2.8 itchat 1.2.32 pip 10.0.1 pypng
chardet 3.0.4 future 0.17.1 idna 2.8 itchat 1.2.32 pip 10.0.1 pypng
\studay\python\lib\site-packages (from itchat==1.2.32->wxpy) (1.2.1) Requirement already satisfied: pypng
tushare pytdx pymongo qdarkstyle pytesseract pywinauto(Windows) talib aiohttp pyqrcode mpl_finance pypng
zhenghui/软件/anaconda3/lib/python3.10/site-packages (from itchat) (1.2.1)Requirement already satisfied: pypng
0.7.11 PyNaCl 1.2.1 pyOpenSSL 17.3.0 pyparsing 2.2.0 pypng