changed check result in case AssumeRolePolicyDocument doesnt exist to UNKNOWN
@@ -24,7 +24,7 @@ class IAMRoleAllowAssumeFromAccount(BaseResourceCheck):
else:
assume_role_block = assume_role_policy_doc
else:
- return CheckResult.FAILED
+ return CheckResult.UNKNOWN
if 'Statement' in assume_role_block.keys():
if isinstance(assume_role_block['Statement'], list) and 'Principal' in \
