PEP8 cleanups.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/common/exceptions.py

@@ -15,6 +15,7 @@ class ActionError(BaseCommonException):
     it is used to announce that one item in the queryset failed to process.
     """
 
+
 class CompressionFileError(BaseCommonException):
     """
     Base exception for file decompression class

mayan/apps/common/templatetags/common_tags.py

@@ -45,6 +45,7 @@ def check_sqlite():
 def get_collections():
     return Collection.get_all()
 
+
 @register.filter
 def get_encoded_parameter(item, parameters_dict):
     result = {}

mayan/apps/common/tests/test_compressed_files.py

@@ -1,15 +1,13 @@
 from __future__ import unicode_literals
 
 from common.tests import BaseTestCase
-from django.test import override_settings
 
 from ..compressed_files import Archive, TarArchive, ZipArchive
 
 from .literals import (
-    TEST_COMPRESSED_FILE_CONTENTS, TEST_FILE_CONTENTS_1, TEST_FILE_CONTENTS_2,
-    TEST_FILE3_PATH, TEST_FILENAME1, TEST_FILENAME2, TEST_FILENAME3,
-    TEST_TAR_BZ2_FILE_PATH, TEST_TAR_FILE_PATH, TEST_TAR_GZ_FILE_PATH,
-    TEST_ZIP_FILE_PATH
+    TEST_COMPRESSED_FILE_CONTENTS, TEST_FILE_CONTENTS_1, TEST_FILE3_PATH,
+    TEST_FILENAME1, TEST_FILENAME3, TEST_TAR_BZ2_FILE_PATH,
+    TEST_TAR_FILE_PATH, TEST_TAR_GZ_FILE_PATH, TEST_ZIP_FILE_PATH
 )
 
 
@@ -43,7 +41,8 @@ class TarArchiveClassTestCase(BaseTestCase):
         with open(self.archive_path) as file_object:
             archive = Archive.open(file_object=file_object)
             self.assertEqual(
-                archive.member_contents(filename=self.member_name), self.member_contents
+                archive.member_contents(filename=self.member_name),
+                self.member_contents
             )
 
     def test_open_member(self):

mayan/apps/common/utils.py

@@ -10,7 +10,6 @@ from django.conf import settings
 from django.urls import resolve as django_resolve
 from django.urls.base import get_script_prefix
 from django.utils.datastructures import MultiValueDict
-from django.utils.encoding import force_text
 from django.utils.http import (
     urlencode as django_urlencode, urlquote as django_urlquote
 )