pip警告DEPRECATION: The default format will switch to columns in the future

DEPRECATION: The default format will switch to columns in the future. You can use --format=(legacy|columns) (or define a format=(legacy|columns) in your pip.conf under the [list] section) to disable this warning.

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原文地址：https://www.cnblogs.com/yibeimingyue/p/13834944.html