{% for pack in rx.pack_list|dictsort:"package_count" %}
{% for task in pack.task_list%}
{% if task.package_count == pack.package_count %}
{% ifchanged task.wo_id %}
{% for pack in rx.pack_list|dictsort:"package_count" %}
{% for task in pack.task_list %}
{% if task.package_count == pack.package_count %}
{% ifchanged task.wo_id %}