Misc cleanups, PEP8, conding conventions, spaces, unused imports, False/True comparisons

apps/linking/__init__.py

@@ -1,11 +1,8 @@
 from __future__ import absolute_import
 
-from django.utils.translation import ugettext_lazy as _
-
 from acls import ACLS_EDIT_ACL, ACLS_VIEW_ACL
 from acls.api import class_permissions
 from documents.models import Document
-from documents.permissions import PERMISSION_DOCUMENT_VIEW
 from navigation.api import register_links, register_sidebar_template
 from project_setup.api import register_setup
 
@@ -15,8 +12,7 @@ from .links import (smart_link_instance_view_link, smart_link_instances_for_docu
     smart_link_condition_edit, smart_link_condition_delete, smart_link_acl_list)
 from .models import SmartLink, SmartLinkCondition
 from .permissions import (PERMISSION_SMART_LINK_VIEW,
-    PERMISSION_SMART_LINK_CREATE, PERMISSION_SMART_LINK_DELETE,
-    PERMISSION_SMART_LINK_EDIT)
+    PERMISSION_SMART_LINK_DELETE, PERMISSION_SMART_LINK_EDIT)
 
 register_links(Document, [smart_link_instances_for_document], menu_name='form_header')