Elastalert issue on doc_type post Opensearch Upgarde

[smiley-ci]

Error :-
ERROR:root:Error running count query: RequestError(400, 'no handler found for uri [/logstash-/fluentd/_count] and method [GET]', 'no handler found for uri [/logstash-/fluentd/_count] and method [GET]')

Elastalert Version: 0.2.4