解決pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org'

解決pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.問題， 今天安裝alphaet包時發現，直接pip install alphabet會報錯，報錯信息是： pip._vendor.urllib3

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