Remove the keyfile, certfile and check_hostname parameters,
deprecated since Python 3.6, in modules: ftplib, http.client,
imaplib, poplib and smtplib. Use the context parameter (ssl_context
in imaplib) instead.

Remove the keyfile, certfile and check_hostname parameters,
deprecated since Python 3.6, in modules: ftplib, http.client,
imaplib, poplib and smtplib. Use the context parameter (ssl_context
in imaplib) instead.

ftplib: Remove the FTP_TLS.ssl_version class attribute: use the
context parameter instead.

The urllib.request no longer uses the deprecated check_hostname
parameter of the http.client module.

Add http.client._create_https_context() helper to http.client, reused
by urllib.request.

The urllib.request no longer uses the deprecated check_hostname
parameter of the http.client module.

Add http.client._create_https_context() helper to http.client, reused
by urllib.request.

Remove the now redundant check on check_hostname and verify_mode in
http.client: the SSLContext.check_hostname setter already implements
the check.

The urllib.request no longer uses the deprecated check_hostname
parameter of the http.client module.

Add http.client._create_https_context() helper to http.client, reused
by urllib.request.

Remove the now redundant check on check_hostname and verify_mode in
http.client: the SSLContext.check_hostname setter already implements
the check.

The urllib.request no longer uses the deprecated check_hostname
parameter of the http.client module.

Add http.client._create_https_context() helper to http.client, reused
by urllib.request.

Remove the now redundant check on check_hostname and verify_mode in
http.client: the SSLContext.check_hostname setter already implements
the check.

The urllib.request no longer uses the deprecated check_hostname
parameter of the http.client module.

Add private http.client._create_https_context() helper to http.client,
used by urllib.request.

Remove the now redundant check on check_hostname and verify_mode in
http.client: the SSLContext.check_hostname setter already implements
the check.