Imported KMS Key Error

CloudMapper fails to run and stops with the following error message.
The scenario is an imported KMS Key that hasn't completed or finalized. Hence, there is no key policy attached.

```
No vault access policy is set for: XXXXXXXXXXX
kms.list_keys({}): Connect timeout on endpoint URL: "https://kms.us-east-1.amazonaws.com/"
kms.get_key_rotation_status({'KeyId': 'ZZZZZZZZZZZZZZZZZZZZ'}):
An error occurred (UnsupportedOperationException) when calling the GetKeyRotationStatus operation:
arn:aws:kms:us-east-1:123456789123:key/ZZZZZZZZZZZZZZZZZZZ origin is EXTERNAL which is not valid for this operation.
```