docs: def list_entities_for_policy(policy_name, path_prefix=None, entity_filter=None,
                    region=None, key=None, keyid=None, profile=None):
      '''
      List entities that a policy is attached to.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt myminion boto_iam.list_entities_for_policy mypolicy
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
      retries = 30
  
      params = {}
      for arg in ('path_prefix', 'entity_filter'):
          if locals()[arg] is not None:
              params[arg] = locals()[arg]
  
      policy_arn = _get_policy_arn(policy_name, region, key, keyid, profile)
      while retries:
          try:
              allret = {
                'policy_groups': [],
                'policy_users': [],
                'policy_roles': [],
              }
              for ret in __utils__['boto.paged_call'](conn.list_entities_for_policy, policy_arn=policy_arn, **params):
                  for k, v in six.iteritems(allret):
                      v.extend(ret.get('list_entities_for_policy_response', {}).get('list_entities_for_policy_result', {}).get(k))
              return allret
          except boto.exception.BotoServerError as e:
              if e.error_code == 'Throttling':
                  log.debug("Throttled by AWS API, will retry in 5 seconds...")
                  time.sleep(5)
                  retries -= 1
                  continue
              log.error('Failed to list entities for IAM policy %s: %s', policy_name, e.message)
              return {}
      return {}