PEP8 Cleanups.

mayan/apps/documents/exceptions.py

@@ -1,7 +1,5 @@
 from __future__ import unicode_literals
 
-from django.utils.translation import ugettext
-
 
 class DocumentException(Exception):
     """

mayan/apps/documents/links.py

@@ -116,7 +116,7 @@ link_document_multiple_download = Link(
 )
 link_document_multiple_update_page_count = Link(
     text=_('Recalculate page count'),
-     view='documents:document_multiple_update_page_count'
+    view='documents:document_multiple_update_page_count'
 )
 link_document_multiple_restore = Link(
     text=_('Restore'), view='documents:document_multiple_restore'

mayan/apps/documents/models.py

@@ -782,7 +782,6 @@ class DocumentPage(models.Model):
         return '{}-{}'.format(self.document_version.uuid, self.pk)
 
 
-
 class NewVersionBlock(models.Model):
     document = models.ForeignKey(Document, verbose_name=_('Document'))
 

mayan/apps/documents/views.py

@@ -31,7 +31,6 @@ from converter.permissions import permission_transformation_delete
 from filetransfers.api import serve_file
 from permissions import Permission
 
-from .events import event_document_type_change
 from .forms import (
     DocumentDownloadForm, DocumentForm, DocumentPageForm, DocumentPreviewForm,
     DocumentPropertiesForm, DocumentTypeSelectForm,