A "fence_gce" agent fails with "file_cache is unavailable when using oauth2client >= 4.0.0" error

Issue

Running the fence_gce resource generates the below warnings and errors:

# fence_gce --project=<project> -n <node> -o status --zone=<region> -v
2022-10-04 08:48:56,002 DEBUG: using application default credentials
2022-10-04 08:48:56,003 WARNING: file_cache is unavailable when using oauth2client >= 4.0.0
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/googleapiclient/discovery_cache/__init__.py", line 36, in autodetect
    from google.appengine.api import memcache
ModuleNotFoundError: No module named 'google'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/googleapiclient/discovery_cache/file_cache.py", line 33, in <module>
    from oauth2client.contrib.locked_file import LockedFile
ModuleNotFoundError: No module named 'oauth2client.contrib.locked_file'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/googleapiclient/discovery_cache/file_cache.py", line 37, in <module>
    from oauth2client.locked_file import LockedFile
ModuleNotFoundError: No module named 'oauth2client.locked_file'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/googleapiclient/discovery_cache/__init__.py", line 41, in autodetect
    from . import file_cache
  File "/usr/lib/python3.6/site-packages/googleapiclient/discovery_cache/file_cache.py", line 41, in <module>
    'file_cache is unavailable when using oauth2client >= 4.0.0')
ImportError: file_cache is unavailable when using oauth2client >= 4.0.0
2022-10-04 08:48:56,004 INFO: URL being requested: GET https://www.googleapis.com/discovery/v1/apis/compute/v1/rest
2022-10-04 08:48:56,017 ERROR: Failed: Create GCE compute v1 connection: [SSL: NO_CIPHERS_AVAILABLE] no ciphers available (_ssl.c:897)