Certbot crashes after update of python installed

[Jerry]

Since updating python, certbot now crashes. It had worked fine via CRON for
over a year.

~ $ Script started on Sun Feb 21 14:14:55 2021
Command: /usr/local/bin/certbot renew --apache --deploy-hook service dovecot
restart
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py",
line 583, in _build_master
    ws.require(__requires__)
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py",
line 900, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py",
line 791, in resolve
    raise VersionConflict(dist, req).with_context(dependent_req)
pkg_resources.ContextualVersionConflict: (cryptography 2.9.2
(/usr/local/lib/python3.7/site-packages),
Requirement.parse('cryptography>=3.2'), {'PyOpenSSL'})

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/certbot", line 6, in <module>
    from pkg_resources import load_entry_point
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py",
line 3251, in <module>
    @_call_aside
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py",
line 3235, in _call_aside
    f(*args, **kwargs)
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py",
line 3264, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py",
line 585, in _build_master
    return cls._build_from_requirements(__requires__)
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py",
line 598, in _build_from_requirements
    dists = ws.resolve(reqs, Environment())
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py",
line 791, in resolve
    raise VersionConflict(dist, req).with_context(dependent_req)
pkg_resources.ContextualVersionConflict: (cryptography 2.9.2
(/usr/local/lib/python3.7/site-packages),
Requirement.parse('cryptography>=3.2'), {'PyOpenSSL'})

Command exit status: 1
Script done on Sun Feb 21 14:14:56 2021

python37-3.7.9_1

I have rebuilt python, but the results are still the same.

-- 
Jerry