Seafile页面登陆:Page unavailable

这是日志:
2018-08-06 06:55:45,289 [ERROR] django.request:256 handle_uncaught_exception Internal Server Error: /
Traceback (most recent call last):
response = wrapped_callback(request, *callback_args, **callback_kwargs)
return view_func(request, *args, **kwargs)
return func(request, *args, **kwargs)
using=using)
template_name, context, context_instance, dirs, dictionary)
return t.render(context_instance)
return self._render(context)
return self.nodelist.render(context)
bit = self.render_node(node, context)
return node.render(context)
return compiled_parent._render(context)
return self.nodelist.render(context)
bit = self.render_node(node, context)
return node.render(context)
result = block.nodelist.render(context)
raise ValueError(“unsupported resampling filter”)
Traceback (most recent call last):
response = wrapped_callback(request, *callback_args, **callback_kwargs)
return view_func(request, *args, **kwargs)
return func(request, *args, **kwargs)
using=using)
template_name, context, context_instance, dirs, dictionary)
return t.render(context_instance)
return self._render(context)
return self.nodelist.render(context)
bit = self.render_node(node, context)
return node.render(context)
return compiled_parent._render(context)
return self.nodelist.render(context)
File “/usr/local/service/seafile/seafile-server-6.2.5/seahub/thirdpart/Django-1.8.18-py2.7.egg/django/template/base.py”, line 905, in render
bit = self.render_node(node, context)
File “/usr/local/service/seafile/seafile-server-6.2.5/seahub/thirdpart/Django-1.8.18-py2.7.egg/django/template/base.py”, line 919, in render_node
return node.render(context)
File “/usr/local/service/seafile/seafile-server-6.2.5/seahub/thirdpart/Django-1.8.18-py2.7.egg/django/template/loader_tags.py”, line 65, in render
result = block.nodelist.render(context)
File “/usr/local/service/seafile/seafile-server-6.2.5/seahub/thirdpart/Django-1.8.18-py2.7.egg/django/template/base.py”, line 905, in render
bit = self.render_node(node, context)
File “/usr/local/service/seafile/seafile-server-6.2.5/seahub/thirdpart/Django-1.8.18-py2.7.egg/django/template/base.py”, line 919, in render_node
return node.render(context)
File “/usr/local/service/seafile/seafile-server-6.2.5/seahub/thirdpart/Django-1.8.18-py2.7.egg/django/template/base.py”, line 1197, in render
return func(*resolved_args, **resolved_kwargs)
File “/usr/local/service/seafile/seafile-server-6.2.5/seahub/seahub/avatar/templatetags/avatar_tags.py”, line 27, in avatar_url
avatar = get_primary_avatar(user, size=size)
File “/usr/local/service/seafile/seafile-server-6.2.5/seahub/seahub/avatar/util.py”, line 113, in get_primary_avatar
avatar.create_thumbnail(size)
File “/usr/local/service/seafile/seafile-server-6.2.5/seahub/seahub/avatar/models.py”, line 105, in create_thumbnail
image = image.resize((size, size), AVATAR_RESIZE_METHOD)
File “/usr/lib64/python2.7/site-packages/PIL/Image.py”, line 1338, in resize
raise ValueError(“unsupported resampling filter”)
ValueError: unsupported resampling filter

尝试了
rm -rf /tmp/seahub_cache/*
重启服务后问题依然存在,不知道哪里出错了。
请各位大神指教

是不是升级到6.2.3遇到的

不是升级 这个是6.2.5的版本 添加了用户头像后就报这个问题
后面安装了6.3.2的版本 ,就不会出现这个问题