evalwiki billedupload kan ikke håndtere æøå i filnavn

[Mortal]

Ved upload af fil på wiki med filnavn "æøå.jpg":

UnicodeEncodeError at /eval/wiki/foo/_edit/
'ascii' codec can't encode character '\xf8' in position 73: ordinal not in range(128)

Traceback:  

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/core/handlers/exception.py" in inner
  41.             response = get_response(request)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response
  187.                 response = self.process_exception_by_middleware(e, request)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response
  185.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/views/generic/base.py" in view
  68.             return self.dispatch(request, *args, **kwargs)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/utils/decorators.py" in _wrapper
  67.             return bound_func(*args, **kwargs)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/wiki/decorators.py" in wrapper
  150.         return func(request, article, *args, **kwargs)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/utils/decorators.py" in bound_func
  63.                 return func.__get__(self, type(self))(*args2, **kwargs2)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/wiki/views/article.py" in dispatch
  246.         return super().dispatch(request, article, *args, **kwargs)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/wiki/views/mixins.py" in dispatch
  33.         return super().dispatch(request, *args, **kwargs)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/views/generic/base.py" in dispatch
  88.         return handler(request, *args, **kwargs)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/wiki/views/article.py" in post
  315.                         form.save()

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/wiki/plugins/images/forms.py" in save
  26.             image.add_revision(self.instance, save=True)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/wiki/models/pluginbase.py" in add_revision
  195.             new_revision.save()

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/db/models/base.py" in save
  808.                        force_update=force_update, update_fields=update_fields)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/db/models/base.py" in save_base
  838.             updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/db/models/base.py" in _save_table
  902.                       for f in non_pks]

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/db/models/base.py" in <listcomp>
  902.                       for f in non_pks]

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/db/models/fields/files.py" in pre_save
  296.             file.save(file.name, file.file, save=False)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/db/models/fields/files.py" in save
  94.         self.name = self.storage.save(name, content, max_length=self.field.max_length)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/core/files/storage.py" in save
  53.         name = self.get_available_name(name, max_length=max_length)

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/core/files/storage.py" in get_available_name
  77.         while self.exists(name) or (max_length and len(name) > max_length):

File "/home/tkammer/tkweb/.venv/lib/python3.5/site-packages/django/core/files/storage.py" in exists
  392.         return os.path.exists(self.path(name))

File "/home/tkammer/tkweb/.venv/lib/python3.5/genericpath.py" in exists
  19.         os.stat(path)

Exception Type: UnicodeEncodeError at /eval/wiki/foo/_edit/
Exception Value: 'ascii' codec can't encode character '\xf8' in position 73: ordinal not in range(128)
Request information:
USER: <REDACTED>

GET:
f = 'form2'

POST:
unsaved_article_title = 'foo'
csrfmiddlewaretoken = '<REDACTED>'
unsaved_article_content = '<REDACTED>'

FILES:
image = <InMemoryUploadedFile: æøå.jpg (image/jpeg)>