cleanup unused imports and unused variables

pandora/place/models.py

@@ -2,12 +2,8 @@
 # vi:si:et:sw=4:sts=4:ts=4
 from __future__ import division, with_statement
 
-import re
-
 from django.db import models, transaction
-from django.contrib.auth.models import User, Group
-from django.db.models import Q
-from django.conf import settings
+from django.contrib.auth.models import User
 import ox
 from ox.django import fields
 

pandora/place/tasks.py

@@ -1,9 +1,7 @@
 # -*- coding: utf-8 -*-
 # vi:si:et:sw=4:sts=4:ts=4
-from datetime import timedelta
 
-from celery.task import task, periodic_task
-from celery.schedules import crontab
+from celery.task import task
 
 import models