bmihelac/django-import-export — pull request #9 by tepez (2013-01-15 08:49:56+00:00)
Title: supporting both 'extentions' and 'extensions'

we support both 'extentions' and 'extensions' because currently tablib's master branch uses 'extentions' (which is a typo) but it's dev branch already uses 'extension'.