Remove some unneeded imports.

django_openid_auth/store.py

 import base64
 import time
 
-from django.db.models.query import Q
 from openid.association import Association as OIDAssociation
 from openid.store.interface import OpenIDStore
 from openid.store.nonce import SKEW

django_openid_auth/views.py

@@ -8,7 +8,6 @@ from django.core.urlresolvers import reverse
 from django.http import HttpResponse, HttpResponseRedirect
 from django.shortcuts import render_to_response
 from django.template import RequestContext
-from django.utils.safestring import SafeString
 
 from openid.consumer.consumer import (
     Consumer, SUCCESS, CANCEL, FAILURE)