="sd">    Create a QuokkaClusterManager object. This object is used to create Ray clusters on AWS EC2 configured with Quokka or connecting to existing Ray clusters.</span>
<span class="sd">    This requires you to have an AWS key pair for logging into instances. </span>

<span class="sd">    Args:</span>
<span class="sd">        key_name (str, optional): The name of the key pair to use. This is a required argument if you want to call `create_cluster`.</span>
<span class="sd">        key_location (str, optio