讲真的我需要帮助这样的问题我在装TENSORFLOW也遇到过求大神们告诉我这是那里的错误呀

我这个是ubuntu18,python3.7环境下做的 pip install --upgrade pip pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(Can't connect to HTTPS