Fix PermissionDenied exception import

apps/linking/views.py

@@ -8,6 +8,7 @@ from django.http import HttpResponseRedirect
 from django.shortcuts import get_object_or_404, render_to_response
 from django.core.urlresolvers import reverse
 from django.template import RequestContext
+from django.core.exceptions import PermissionDenied
 
 from common.utils import encapsulate
 from common.widgets import two_state_template
@@ -16,7 +17,7 @@ from documents.views import document_list
 from documents.permissions import PERMISSION_DOCUMENT_VIEW
 from permissions.models import Permission
 from acls.views import acl_list_for
-from acls.models import AccessEntry, PermissionDenied
+from acls.models import AccessEntry
 from acls.utils import apply_default_acls
 
 from .models import SmartLink, SmartLinkCondition

apps/sources/views.py

@@ -9,6 +9,7 @@ from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import ugettext
 from django.utils.safestring import mark_safe
 from django.conf import settings
+from django.core.exceptions import PermissionDenied
 
 from documents.permissions import (PERMISSION_DOCUMENT_CREATE,
     PERMISSION_DOCUMENT_NEW_VERSION)
@@ -18,7 +19,7 @@ from metadata.api import decode_metadata_from_url, metadata_repr_as_list
 from permissions.models import Permission
 from common.utils import encapsulate
 import sendfile
-from acls.models import AccessEntry, PermissionDenied
+from acls.models import AccessEntry
 
 from sources.models import (WebForm, StagingFolder, SourceTransformation,
     WatchFolder)

apps/tags/views.py

@@ -8,13 +8,14 @@ from django.template import RequestContext
 from django.contrib import messages
 from django.core.urlresolvers import reverse
 from django.utils.translation import ugettext_lazy as _
+from django.core.exceptions import PermissionDenied
 
 from permissions import Permission
 from taggit.models import Tag
 from documents.models import Document
 from documents.views import document_list
 from documents.permissions import PERMISSION_DOCUMENT_VIEW
-from acls.models import AccessEntry, PermissionDenied
+from acls.models import AccessEntry
 from acls.views import acl_list_for
 from acls.utils import apply_default_acls