Use db_alias and collection_name in _get_unique_filename. And delete old file before trying to get a new name
Use db_alias and collection_name in _get_unique_filename. And delete old file before trying to get a new name

thomwiggers/django-mongodbforms,jschrewe/django-mongodbforms,fmoro/django-mongodbforms,lucidbard/django-mongodbforms,carlware/django-mongodbforms