parameters: (self, *args, **kwargs)
docstring: 重新统计每个tag对应的文章数，删除空标签
docstring_summary: 重新统计每个tag对应的文章数，删除空标签
docstring_tokens: 重新统计每个tag对应的文章数，删除空标签
function: def recount(self, *args, **kwargs):
  		'''重新统计每个tag对应的文章数，删除空标签'''
  		for i in self.filter(*args, **kwargs):
  			i.count_post = i.post_set.count()
  			if i.count_post <= 0:
  				i.delete()
  			else:
  				i.save()
function_tokens: def recount ( self , * args , * * kwargs ) : for i in self . filter ( * args , * * kwargs ) : i . count_post = i . post_set . count ( ) if i . count_post <= 0 : i . delete ( ) else : i . save ( )