PEP8 Cleanups

apps/document_signatures/__init__.py

@@ -10,9 +10,8 @@ from django.utils.translation import ugettext_lazy as _
 from django.db.models.signals import post_save
 
 from documents.models import Document, DocumentVersion
-from navigation.api import register_links, register_top_menu, \
-    register_model_list_columns, register_multi_item_links, \
-    register_sidebar_template
+from navigation.api import register_links
+
 from django_gpg.runtime import gpg
 from django_gpg.exceptions import GPGDecryptionError
 
@@ -29,9 +28,11 @@ logger = logging.getLogger(__name__)
 def has_embedded_signature(context):
     return DocumentVersionSignature.objects.has_embedded_signature(context['object'])
 
+
 def doesnt_have_detached_signature(context):
     return DocumentVersionSignature.objects.has_detached_signature(context['object']) == False
 
+
 def document_pre_open_hook(descriptor):
     try:
         result = gpg.decrypt_file(descriptor, close_descriptor=False)
@@ -43,6 +44,7 @@ def document_pre_open_hook(descriptor):
     else:
         return StringIO(result.data)
 
+
 def document_post_save(sender, instance, **kwargs):
     if kwargs.get('created', False):
         DocumentVersionSignature.objects.signature_state(instance.document)

apps/document_signatures/managers.py

@@ -3,7 +3,7 @@ import logging
 from django.db import models
 
 from django_gpg.runtime import gpg
-from django_gpg.exceptions import GPGVerificationError, GPGDecryptionError
+from django_gpg.exceptions import GPGVerificationError
 
 logger = logging.getLogger(__name__)
 

apps/document_signatures/views.py

@@ -8,21 +8,15 @@ from django.http import HttpResponseRedirect
 from django.shortcuts import render_to_response, get_object_or_404
 from django.template import RequestContext
 from django.contrib import messages
-from django.core.urlresolvers import reverse
 from django.utils.safestring import mark_safe
 from django.conf import settings
 from django.template.defaultfilters import force_escape
 
 from documents.models import Document, RecentDocument
 from permissions.api import check_permissions
-from common.utils import pretty_size, parse_range, urlquote, \
-    return_diff, encapsulate
 from filetransfers.api import serve_file
 
-from django_gpg.api import Key, SIGNATURE_STATES
-from django_gpg.runtime import gpg
-from django_gpg.exceptions import (GPGVerificationError, KeyFetchingError,
-    KeyImportError)
+from django_gpg.api import SIGNATURE_STATES
 
 from . import (PERMISSION_DOCUMENT_VERIFY, PERMISSION_SIGNATURE_UPLOAD,
     PERMISSION_SIGNATURE_DOWNLOAD)