django2.0 下载media资源错误

Question

AttributeError at /media/house/二叉树_MYliXn5.png
This FileResponse instance has no content attribute. Use streaming_content instead.
Request Method: GET
Request URL: http://127.0.0.1:8000/media/h...
Django Version: 2.0.4
Exception Type: AttributeError
Exception Value:
This FileResponse instance has no content attribute. Use streaming_content instead.
Exception Location: /Users/chouxinguo/.virtualenvs/django_env/lib/python3.6/site-packages/django/http/response.py in content, line 360

我已经配置了settings的media路径和url