def remove(self, elem):
        """Remove a requirement.

        :param elem: a string or :class:`Requirement` instance.
        """
        if isinstance(elem, text_type):
            for requirement in self:
                if requirement.package == elem:
                    return super(Requirements, self).remove(requirement)
        return super(Requirements, self).remove(elem)
def setUp(self):
        self.credentials = {
            'username': 'testuser',
            'password': 'test1234',
            'email': 'test@mail.com'}

        # Create a test Group
        my_group, created = Group.objects.get_or_create(name='test_group')

        # Add user to test Group
        User.objects.get(pk=1).groups.add(my_group)