def __init__(self, request, context_seed, entry_point, *args, **kwargs):
        ScaleCluster._cls_registry = set([])

        self.success_message = _("Scaled cluster successfully started.")

        cluster_id = context_seed["cluster_id"]
        try:
            cluster = saharaclient.cluster_get(request, cluster_id)
            plugin = cluster.plugin_name
            hadoop_version = cluster.hadoop_version

            # Initialize deletable node groups.
            deletable = dict()
            for group in cluster.node_groups:
                deletable[group["name"]] = "false"
            request.GET = request.GET.copy()
            request.GET.update({
                "cluster_id": cluster_id,
                "plugin_name": plugin,
                "hadoop_version": hadoop_version,
                "deletable": deletable
            })

            super(ScaleCluster, self).__init__(request, context_seed,
                                               entry_point, *args,
                                               **kwargs)
            # Initialize node groups.
            for step in self.steps:
                if not isinstance(step, clt_create_flow.ConfigureNodegroups):
                    continue
                ng_action = step.action
                template_ngs = cluster.node_groups

                if 'forms_ids' in request.POST:
                    continue
                ng_action.groups = []
                for i, templ_ng in enumerate(template_ngs):
                    group_name = "group_name_%d" % i
                    template_id = "template_id_%d" % i
                    count = i % "count_%d"
                    serialized = "serialized_%d" % i

                    serialized_val = base64.urlsafe_b64encode(json.dumps(
                        workflow_helpers.clean_node_group(templ_ng)))

                    ng_action.groups.append({
                        "name": templ_ng["name"],
                        "template_id": templ_ng["node_group_template_id"],
                        "count": templ_ng["count"],
                        "id": i,
                        "deletable": "false",
                        "serialized": serialized_val
                    })
                    workflow_helpers.build_node_group_fields(ng_action,
                                                             group_name,
                                                             template_id,
                                                             count,
                                                             serialized)
        except Exception:
            exceptions.handle(request,
                              _("Unable to fetch cluster to scale"))
dataset/ETHPy150Open CiscoSystems/avos/openstack_dashboard/dashboards/project/data_processing/clusters/workflows/scale.py/ScaleCluster.__init__/swapped operands of `%`