RemoveError: 'requests' is a dependency of conda and cannot be removed from conda's operating enviro

RemoveError: 'requests' is a dependency of conda and cannot be removed from conda's operating environment 升级pytroch 莫名出现这个问题，查了很多东西，conda update conda 这个指令也不管用，后来才发现，不能使用进去conda的环境去更新，应该先进入控制台CMD，然后输入

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