Unable to retrieve AMIs to clean

[rlochen]

Retrieving AMIs to clean ...
Traceback (most recent call last):
File "/usr/local/bin/amicleaner", line 11, in
sys.exit(main())
File "/usr/local/lib/python2.7/site-packages/amicleaner/cli.py", line 195, in main
app.run_cli()
File "/usr/local/lib/python2.7/site-packages/amicleaner/cli.py", line 165, in run_cli
candidates = self.prepare_candidates()
File "/usr/local/lib/python2.7/site-packages/amicleaner/cli.py", line 66, in prepare_candidates
candidates_amis = candidates_amis or self.fetch_candidates()
File "/usr/local/lib/python2.7/site-packages/amicleaner/cli.py", line 53, in fetch_candidates
excluded_amis += f.fetch_zeroed_asg()
File "/usr/local/lib/python2.7/site-packages/amicleaner/fetch.py", line 71, in fetch_zeroed_asg
LaunchConfigurationNames=zeroed_lcs
File "/usr/local/lib/python2.7/site-packages/botocore/client.py", line 320, in _api_call
return self._make_api_call(operation_name, kwargs)
File "/usr/local/lib/python2.7/site-packages/botocore/client.py", line 596, in _make_api_call
api_params, operation_model, context=request_context)
File "/usr/local/lib/python2.7/site-packages/botocore/client.py", line 632, in _convert_to_request_dict
api_params, operation_model)
File "/usr/local/lib/python2.7/site-packages/botocore/validate.py", line 291, in serialize_to_request
raise ParamValidationError(report=report.generate_report())
botocore.exceptions.ParamValidationError: Parameter validation failed:
Invalid length for parameter LaunchConfigurationNames[0], value: 0, valid range: 1-inf
[Container] 2019/12/20 08:15:07 Command did not exit successfully amicleaner -f --mapping-key name --mapping-values ${AMI_TAG_NAME} --keep-previous ${AMI_RETENTION} exit status 1
[Container] 2019/12/20 08:15:07 Phase complete: POST_BUILD State: FAILED
[Container] 2019/12/20 08:15:07 Phase context status code: COMMAND_EXECUTION_ERROR Message: Error while executing command: amicleaner -f --mapping-key name --mapping-values ${AMI_TAG_NAME} --keep-previous ${AMI_RETENTION}. Reason: exit status 1

[Lusitaniae]

try python3?