Style: Minor PEP8 code cleanups

Signed-off-by: Roberto Rosario <Roberto.Rosario@mayan-edms.com>

mayan/apps/documents/migrations/0044_auto_20180823_0452.py

@@ -15,9 +15,10 @@ class Migration(migrations.Migration):
     operations = [
         migrations.CreateModel(
             fields=[
-                ('id', models.AutoField(
-                    auto_created=True, primary_key=True, serialize=False,
-                    verbose_name='ID'
+                (
+                    'id', models.AutoField(
+                        auto_created=True, primary_key=True, serialize=False,
+                        verbose_name='ID'
                     )
                 ),
             ], name='FavoriteDocument', options={
@@ -29,7 +30,7 @@ class Migration(migrations.Migration):
             name='document', options={
                 'ordering': ('label',), 'verbose_name': 'Document',
                 'verbose_name_plural': 'Documents'
-                },
+            },
         ),
         migrations.AlterField(
             field=models.ForeignKey(

mayan/apps/linking/migrations/0006_auto_20180402_0339.py

@@ -15,7 +15,7 @@ class Migration(migrations.Migration):
             options={
                 'ordering': ('label',), 'verbose_name': 'Smart link',
                 'verbose_name_plural': 'Smart links'
-                },
+            },
         ),
         migrations.AlterField(
             model_name='smartlink',

mayan/apps/metadata/forms.py

@@ -64,9 +64,9 @@ class DocumentMetadataForm(forms.Form):
                     )
 
                     if not required:
-                        first_choice=('', '------')
+                        first_choice = ('', '------')
                     else:
-                        first_choice=None
+                        first_choice = None
 
                     self.fields['value'].choices = self.metadata_type.get_lookup_choices(
                         first_choice=first_choice

mayan/apps/ocr/tests/test_views.py

@@ -6,7 +6,6 @@ from ..permissions import (
     permission_ocr_content_view, permission_ocr_document,
     permission_document_type_ocr_setup
 )
-from ..utils import get_document_ocr_content
 
 TEST_DOCUMENT_CONTENT = 'Mayan EDMS Documentation'
 

mayan/apps/smart_settings/apps.py

@@ -3,8 +3,7 @@ from __future__ import unicode_literals
 from django.utils.translation import ugettext_lazy as _
 
 from mayan.apps.common import (
-    MayanAppConfig, menu_facet, menu_list_facet, menu_setup,
-    menu_object, menu_secondary
+    MayanAppConfig, menu_setup, menu_object, menu_secondary
 )
 from mayan.apps.navigation import SourceColumn