Fix parameter warnings

[yakky]

Fix #466
Fix #488

[coveralls]

Coverage decreased (-0.11%) to 66.62% when pulling 44a2a2c on nephila:feature/fix_466 into 51196fd on stefanfoulis:develop.

[coveralls]

Coverage decreased (-0.11%) to 66.62% when pulling 44a2a2c on nephila:feature/fix_466 into 51196fd on stefanfoulis:develop.

[coveralls]

Coverage decreased (-0.11%) to 66.62% when pulling f807d76 on nephila:feature/fix_466 into 51196fd on stefanfoulis:develop.

[coveralls]

Coverage increased (+0.16%) to 66.9% when pulling 8ec1d56 on nephila:feature/fix_466 into 21237d1 on stefanfoulis:develop.

[coveralls]

Coverage increased (+0.16%) to 66.9% when pulling 8ec1d56 on nephila:feature/fix_466 into 21237d1 on stefanfoulis:develop.

[coveralls]

Coverage increased (+0.16%) to 66.9% when pulling 8ec1d56 on nephila:feature/fix_466 into 21237d1 on stefanfoulis:develop.

[chogarcia]

still getting those warnings

[yakky]

@cho-is are you using develop branch?

[chogarcia]

@yakky using django-filer==0.9.9

[rus11]

also the problem

Django (1.8.2)
django-filer (0.9.9)
django-filter (0.10.0)
django-mptt (0.7.3)
django-polymorphic (0.7.1)
django-registration-redux (1.2)
django-suit (0.2.13)
djangorestframework (3.1.2)
easy-thumbnails (2.2)
gunicorn (19.3.0)
Markdown (2.6.2)
Pillow (2.8.1)
pip (7.0.1)
psycopg2 (2.6)
setuptools (16.0)
Unidecode (0.4.17)
wheel (0.24.0)

[chogarcia]

is there anything I can do to avoid those warnings?