agiliq/Django-Socialauth — comment on commit 75f36d2d9c1f7f9b9207121cde0574a9e0239dd1
File: docs/LICENSE line 5
By kylewillmon:

Since the Modified BSD License is compatible with the GPL, you probably have the right to distribute your modified version under the GPL, but I'm not sure you have the right to remove his copyright notice.