def __init__(self, koji_client, pkgdb_client):
self.koji_client = koji_client<EOL>self.pkgdb_client = pkgdb_client<EOL>self._snapshots = {}<EOL>
Set the capturer with koji and pkgdb clients

        :param koji_client: Koji client
        :type  koji_client: KojiClient or FakeKojiClient
        :param pkgdb_client: PkgDB client
        :type  pkgdb_client: PkgDBClient or FakePkgDBClient