fix: remove some unused imports

footprint/preferences/views.py

@@ -26,8 +26,6 @@ from django.urls import reverse
 from django.utils.translation import ugettext as _
 
 from preferences.views import edit_options_template_function
-from re2o.acl import can_create, can_edit, can_view, can_view_all
-from re2o.base import re2o_paginator
 
 from . import forms, models
 

footprint/utils.py

@@ -21,7 +21,6 @@
 """
 Footprint optional app utils
 """
-import os
 import pathlib
 import subprocess