It turns out the wheel file was not downloaded and saved properly due to the slow internet connection. It is working now. If you want to know whether it was downloaded and saved properly or not, change the extension to .zip and open it. If it doesn't open this means that your wheel file is corrupted.
与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
