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 升級pytroch 莫名出現這個問題，查了很多東西，conda update conda 這個指令也不管用，後來才發現，不能使用進去conda的環境去更新，應該先進入控制檯CMD，然後輸入

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