When uploading files with non-ASCII characters I get UnicodeEncodeError:
Exception Type: UnicodeEncodeError at /admin/studio/newsitem/add/ Exception Value: \
Using python 2.7.8 and Django 1.7, I solved my problem by importing:
from __future__ import unicode_literals
and using force_text():
force_text()
from django.utils.encoding import force_text