1."SyntaxError: Generator expression must be parethesized
找到虚拟环境下:django/contrib/admin/widgets.py文件
修改如图
related_url += '?' + '&'.join('%s=%s' % (k, v) for k, v in params.items())
参考文档
1.https://github.com/django/django/commit/931c60c5216bd71bc11f489e00e063331cf21f40