Collecting xird
Could not find a version that satisfies the requirement xird (from versions: )
No matching distribution found for xird
You are using pip version 19.0.3, however version 19.2.3 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
作者大佬您好
我用cmd
pip install xird
提示了这个，请问是什么意思？比较急，先谢谢
Collecting xird Could not find a version that satisfies the requirement xird (from versions: ) No matching distribution found for xird You are using pip version 19.0.3, however version 19.2.3 is available. You should consider upgrading via the 'python -m pip install --upgrade pip' command.