Python 报错 ERROR: No matching distribution found for xxx

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1. 报错

例如在安装 Python 包的时候，有时会出现这种情况：

ERROR: Could not find a version that satisfies the requirement bokeh (from versions: none)
ERROR: No matching distribution found for bokeh

例如还有：

ERROR: Could not find a version that satisfies the requirement torndb (from versions: none)
ERROR: No matching distribution found for torndb

2. 可能的解决方法

python -m pip install