'GET /api/team/v0/team_membership/{team_id},{username}'

def get(self, request, team_id, username):

    team = self.get_team(team_id)
    if (not has_team_api_access(request.user, team.course_id)):
        return Response(status=status.HTTP_404_NOT_FOUND)
    membership = self.get_membership(username, team)
    serializer = self.get_serializer(instance=membership)
    return Response(serializer.data)
