PEP8 cleanups, remove unused imports, add missing imports

apps/documents/__init__.py

@@ -28,7 +28,7 @@ from .links import (document_list, document_list_recent,
     document_update_page_count, document_clear_transformations,
     document_print, document_history_view,
     document_missing_list)
-from .links import (document_type_list, document_type_setup, document_type_document_list,
+from .links import (document_type_list, document_type_document_list,
     document_type_edit, document_type_delete, document_type_create, document_type_filename_list,
     document_type_filename_create, document_type_filename_edit, document_type_filename_delete,
     link_documents_menu)
@@ -121,4 +121,3 @@ class_permissions(Document, [
     PERMISSION_DOCUMENT_VERSION_REVERT,
     PERMISSION_HISTORY_VIEW
 ])
-

apps/documents/links.py

@@ -31,6 +31,7 @@ from .icons import (icon_documents, icon_create_siblings, icon_document_delete,
     icon_document_type_filename_edit, icon_document_type_filename_delete,
     icon_document_missing_list)
 
+
 # Document page links expressions
 def is_first_page(context):
     return context['page'].page_number <= 1

apps/documents/post_init.py

@@ -5,7 +5,7 @@ import tempfile
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
-from common.utils import validate_path, encapsulate
+from common.utils import validate_path
 
 from .models import DocumentVersion, get_filename_from_uuid
 from .settings import STORAGE_BACKEND, CACHE_PATH
@@ -15,4 +15,4 @@ from .settings import STORAGE_BACKEND, CACHE_PATH
 if (validate_path(CACHE_PATH) == False) or (not CACHE_PATH):
     setattr(document_settings, 'CACHE_PATH', tempfile.mkdtemp())
 
-DocumentVersion._meta.get_field('file').storage=STORAGE_BACKEND()
+DocumentVersion._meta.get_field('file').storage = STORAGE_BACKEND()