docs: def update_affinity_group(kwargs=None, conn=None, call=None):
      '''
      .. versionadded:: 2015.8.0
  
      Update an affinity group's properties
  
      CLI Example:
  
      .. code-block:: bash
  
          salt-cloud -f update_affinity_group my-azure name=my_group label=my_group
      '''
      if call != 'function':
          raise SaltCloudSystemExit(
              'The update_affinity_group function must be called with -f or --function.'
          )
  
      if not conn:
          conn = get_conn()
  
      if kwargs is None:
          kwargs = {}
  
      if 'name' not in kwargs:
          raise SaltCloudSystemExit('A name must be specified as "name"')
  
      if 'label' not in kwargs:
          raise SaltCloudSystemExit('A label must be specified as "label"')
  
      conn.update_affinity_group(
          affinity_group_name=kwargs['name'],
          label=kwargs['label'],
          description=kwargs.get('description', None),
      )
      return show_affinity_group(kwargs={'name': kwargs['name']}, call='function')