Clair v4.1.0.alpha2 indexer is not working with Quay 3.5.1

Throws the following error on stdout,

 
securityworker stdout | 2021-04-23 07:06:19,447 [110] [INFO] [apscheduler.executors.default] Running job "SecurityWorker._index_in_scanner (trigger: interval[0:00:30], next run at: 2021-04-23 07:06:49 UTC)" (scheduled at 2021-04-23 07:06:19.447103+00:00)
securityworker stdout | 2021-04-23 07:06:19,468 [110] [INFO] [util.migrate.allocator] Found 1 candidates, processing block
securityworker stdout | 2021-04-23 07:06:19,858 [110] [ERROR] [util.secscan.v4.api] Security scanner response failed OpenAPI validation
securityworker stdout | Traceback (most recent call last):
securityworker stdout | File "/quay-registry/util/secscan/v4/api.py", line 336, in is_valid_response
securityworker stdout | validate(resp.json(), schema, resolver=resolver)
securityworker stdout | File "/usr/local/lib/python3.8/site-packages/jsonschema/validators.py", line 934, in validate
securityworker stdout | raise error
securityworker stdout | jsonschema.exceptions.ValidationError: None is not of type 'string'
securityworker stdout | Failed validating 'type' in schema['properties']['distributions']['additionalProperties']['properties']['cpe']:
securityworker stdout | {'type': 'string'}
securityworker stdout | On instance['distributions']['1']['cpe']:
securityworker stdout | None
securityworker stdout | 2021-04-23 07:06:19,858 [110] [ERROR] [data.secscan_model.secscan_v4_model] Failed to perform indexing, security scanner API error
securityworker stdout | Traceback (most recent call last):
securityworker stdout | File "/quay-registry/util/secscan/v4/api.py", line 200, in index
securityworker stdout | resp = self._perform(actions["Index"](body))
securityworker stdout | File "/quay-registry/util/secscan/v4/api.py", line 295, in _perform
securityworker stdout | raise IncompatibleAPIResponse("Received incompatible response from security scanner")
securityworker stdout | util.secscan.v4.api.IncompatibleAPIResponse: Received incompatible response from security scanner
securityworker stdout | During handling of the above exception, another exception occurred:
securityworker stdout | Traceback (most recent call last):
securityworker stdout | File "/quay-registry/data/secscan_model/secscan_v4_model.py", line 286, in perform_indexing
securityworker stdout | (report, state) = self._secscan_api.index(manifest, layers)
securityworker stdout | File "/quay-registry/util/secscan/v4/api.py", line 204, in index
securityworker stdout | raise APIRequestFailure(ex)
securityworker stdout | util.secscan.v4.api.APIRequestFailure: Received incompatible response from security scanner