The default python2-certbot in Tumbleweed fails to renew certificates with the
following error:


$ sudo certbot renew
[sudo] password for user:
Traceback (most recent call last):
  File "/usr/bin/certbot", line 11, in <module>
    load_entry_point('certbot==0.36.0', 'console_scripts', 'certbot')()
  File "/usr/lib/python2.7/site-packages/pkg_resources/__init__.py", line 489,
in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2843,
in load_entry_point
    return ep.load()
  File "/usr/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2434,
in load
    return self.resolve()
  File "/usr/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2440,
in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/usr/lib/python2.7/site-packages/certbot/main.py", line 17, in <module>
    from certbot import account
  File "/usr/lib/python2.7/site-packages/certbot/account.py", line 17, in
<module>
    from acme import messages
  File "/usr/lib/python2.7/site-packages/acme/messages.py", line 11, in
<module>
    from acme import challenges
  File "/usr/lib/python2.7/site-packages/acme/challenges.py", line 12, in
<module>
    import requests
  File "/usr/lib/python2.7/site-packages/requests/__init__.py", line 43, in
<module>
    import urllib3
  File "/usr/lib/python2.7/site-packages/urllib3/__init__.py", line 7, in
<module>
    from .connectionpool import (
  File "/usr/lib/python2.7/site-packages/urllib3/connectionpool.py", line 11,
in <module>
    from .exceptions import (
  File "/usr/lib/python2.7/site-packages/urllib3/exceptions.py", line 2, in
<module>
    from .packages.six.moves.http_client import (
  File "/usr/lib/python2.7/site-packages/urllib3/packages/__init__.py", line 3,
in <module>
    from . import ssl_match_hostname
ImportError: cannot import name ssl_match_hostname

The version of python2-certbot in Leap 15.0 works. I have no Leap 15.1 machine
to test with yet.