我正在使用 Kali Linux 2020.1，我安装了 Python3.7，然后在尝试使用 pip3 命令安装模块后，我不断收到此错误消息。
WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.
ERROR: Could not find a version that satisfies the requirement flask (from versions: none)
ERROR: No matching distribution found for flask
Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not …