这是控制台信息

System check identified no issues (0 silenced).

November 15, 2017 - 13:56:20

Django version 1.11.7, using settings 'OnlineEducation.settings'

Starting development server at http://127.0.0.1:8000/

Quit the server with CTRL-BREAK.

Internal Server Error: /xadmin/courses/course/

Traceback (most recent call last):

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\core\handlers\exception.py", line 41, in inner

    response = get_response(request)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\core\handlers\base.py", line 249, in _legacy_get_response

    response = self._get_response(request)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\core\handlers\base.py", line 217, in _get_response

    response = self.process_exception_by_middleware(e, request)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\core\handlers\base.py", line 215, in _get_response

    response = response.render()

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\response.py", line 107, in render

    self.content = self.rendered_content

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\response.py", line 84, in rendered_content

    content = template.render(context, self._request)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\backends\django.py", line 66, in render

    return self.template.render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 207, in render

    return self._render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 199, in _render

    return self.nodelist.render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 990, in render

    bit = node.render_annotated(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 957, in render_annotated

    return self.render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\loader_tags.py", line 177, in render

    return compiled_parent._render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 199, in _render

    return self.nodelist.render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 990, in render

    bit = node.render_annotated(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 957, in render_annotated

    return self.render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\loader_tags.py", line 177, in render

    return compiled_parent._render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 199, in _render

    return self.nodelist.render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 990, in render

    bit = node.render_annotated(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 957, in render_annotated

    return self.render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\loader_tags.py", line 72, in render

    result = block.nodelist.render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 990, in render

    bit = node.render_annotated(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 957, in render_annotated

    return self.render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\loader_tags.py", line 72, in render

    result = block.nodelist.render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 990, in render

    bit = node.render_annotated(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\base.py", line 957, in render_annotated

    return self.render(context)

  File "C:\Users\ymfsd\Envs\OnlineEducation\lib\site-packages\django\template\library.py", line 203, in render

    output = self.func(*resolved_args, **resolved_kwargs)

  File "E:\PyCharm\DjangoOnlineEducation\extra_apps\xadmin\templatetags\xadmin_tags.py", line 24, in view_block

    result = block_func(context, nodes, *args, **kwargs)

  File "E:\PyCharm\DjangoOnlineEducation\extra_apps\xadmin\plugins\excel.py", line 16, in block_top_toolbar

    nodes.append(loader.render_to_string('xadmin/excel/model_list.top_toolbar.import.html', context_instance=context))

TypeError: render_to_string() got an unexpected keyword argument 'context_instance'

[15/Nov/2017 13:56:25] "GET /xadmin/courses/course/ HTTP/1.1" 500 365346