docs: def blend_vars(secrets, opt):
      """Blends secret and static variables together"""
      base_obj = load_vars(opt)
      merged = merge_dicts(base_obj, secrets)
      template_obj = dict((k, v) for k, v in iteritems(merged) if v)
      # give templates something to iterate over
      template_obj['aomi_items'] = template_obj.copy()
      return template_obj