name 'x509' is not defined error in client release 1.30.4

[elehcim]

Description

Hello, using the rucio/rucio-clients image release 1.30.4 (latest) when I try to use the containerized client on a k8s installation I get this error.

[user@client ~]$ rucio -v whoami
2023-02-10 08:08:13,255	DEBUG	baseclient.py	No trace_host passed. Using rucio_host instead
2023-02-10 08:08:13,255	DEBUG	baseclient.py	No creds passed. Trying to get it from the config file.
2023-02-10 08:08:13,256	DEBUG	baseclient.py	No account passed. Trying to get it from the RUCIO_ACCOUNT environment variable or the config file.
2023-02-10 08:08:13,256	DEBUG	baseclient.py	No VO passed. Trying to get it from environment variable RUCIO_VO.
2023-02-10 08:08:13,256	DEBUG	baseclient.py	No VO found. Trying to get it from the config file.
2023-02-10 08:08:13,256	DEBUG	baseclient.py	No VO found. Using default VO.
2023-02-10 08:08:13,256	DEBUG	baseclient.py	get a new token
2023-02-10 08:08:13,256	DEBUG	baseclient.py	HTTP request: GET http://rucio-auth.k8s-endpoint.my-domain.me/auth/userpass
2023-02-10 08:08:13,256	DEBUG	baseclient.py	HTTP header:  X-Rucio-Auth-Token: [hidden]
2023-02-10 08:08:13,256	DEBUG	baseclient.py	HTTP header:  X-Rucio-VO: def
2023-02-10 08:08:13,256	DEBUG	baseclient.py	HTTP header:  Connection: Keep-Alive
2023-02-10 08:08:13,256	DEBUG	baseclient.py	HTTP header:  User-Agent: rucio-clients/1.30.4
2023-02-10 08:08:13,256	DEBUG	baseclient.py	HTTP header:  X-Rucio-Script: rucio::-v
2023-02-10 08:08:13,256	DEBUG	baseclient.py	HTTP header:  X-Rucio-Account: root
2023-02-10 08:08:13,256	DEBUG	baseclient.py	HTTP header:  X-Rucio-Username: 
2023-02-10 08:08:13,256	DEBUG	baseclient.py	HTTP header:  X-Rucio-Password: 
2023-02-10 08:08:13,343	DEBUG	baseclient.py	HTTP Response: 200 OK
2023-02-10 08:08:13,381	DEBUG	rucio	Traceback (most recent call last):
  File "/usr/local/bin/rucio", line 107, in new_funct
    return function(*args, **kwargs)
  File "/usr/local/bin/rucio", line 267, in whoami_account
    client = get_client(args)
  File "/usr/local/bin/rucio", line 235, in get_client
    logger=logger)
  File "/usr/local/lib/python3.6/site-packages/rucio/client/client.py", line 77, in __init__
    super(Client, self).__init__(**args)
  File "/usr/local/lib/python3.6/site-packages/rucio/client/baseclient.py", line 290, in __init__
    self.__authenticate()
  File "/usr/local/lib/python3.6/site-packages/rucio/client/baseclient.py", line 955, in __authenticate
    self.__get_token()
  File "/usr/local/lib/python3.6/site-packages/rucio/client/baseclient.py", line 844, in __get_token
    if not self.__get_token_userpass():
  File "/usr/local/lib/python3.6/site-packages/rucio/client/baseclient.py", line 477, in __get_token_userpass
    result = self._send_request(url, headers=headers, get_token=True)
  File "/usr/local/lib/python3.6/site-packages/rucio/client/baseclient.py", line 451, in _send_request
    ssl_expirydate = self.__check_ssl_expiry()
  File "/usr/local/lib/python3.6/site-packages/rucio/client/baseclient.py", line 981, in __check_ssl_expiry
    cert_data = x509.load_pem_x509_certificate(str.encode(pem_data))
NameError: name 'x509' is not defined

2023-02-10 08:08:13,381	ERROR	name 'x509' is not defined
2023-02-10 08:08:13,381	ERROR	
Rucio exited with an unexpected/unknown error.
Please rerun the last command with the "-v" option to gather more information.
If it's a problem concerning your experiment or if you're unsure what to do, please follow up at: https://github.com/rucio/rucio/issues/
If you're sure there is a problem with Rucio itself, please follow up at: https://github.com/rucio/rucio/issues/

Downgrading to 1.30.3 the error disappears.

Steps to reproduce

from the k8s-tutorial, follow the steps up to the installation of the client

Rucio Version

Client: 1.30.4, Server: 1.30.4

Additional Information

No response

[ThePhisch]

Could you check if the module cryptography is installed on the container on which you run the client?

[bari12]

We reverted the change causing this. Will be fixed in the next release.