Update param_formatters.py for new errors_warnings structure
Update param_formatters.py for new errors_warnings structure

OpenSourcePolicyCenter/PolicyBrain,OpenSourcePolicyCenter/webapp-public,OpenSourcePolicyCenter/webapp-public,OpenSourcePolicyCenter/webapp-public,OpenSourcePolicyCenter/PolicyBrain,OpenSourcePolicyCenter/PolicyBrain,OpenSourcePolicyCenter/PolicyBrain,OpenSourcePolicyCenter/webapp-public