urllib.error.URLError: <urlopen error TLS/SSL connection has been closed (EOF) (_ssl.c:997)>

This error message indicates that there was an issue with establishing a secure connection using TLS/SSL protocol. The connection was closed unexpectedly, which could be due to a number of reasons such as network connectivity issues, server configuration problems, or security policies. Some possible solutions to resolve this error include checking your network settings, updating your SSL/TLS certificates, or contacting the server administrator for further assistance.