Fix all E303 pep8 errors.

cms/djangoapps/contentstore/tests/test_contentstore.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 
 
-
 import copy
 import shutil
 from datetime import timedelta

cms/djangoapps/contentstore/tests/test_core_caching.py

@@ -3,7 +3,6 @@ Tests core caching facilities.
 """
 
 
-
 from django.test import TestCase
 from opaque_keys.edx.locator import AssetLocator, CourseLocator
 

cms/djangoapps/contentstore/tests/test_crud.py

@@ -1,7 +1,6 @@
 """Tests for CRUD Operations"""
 
 
-
 from xmodule import templates
 from xmodule.capa_module import ProblemBlock
 from xmodule.course_module import CourseDescriptor

cms/djangoapps/contentstore/tests/test_export_git.py

@@ -3,7 +3,6 @@ Test the ability to export courses to xml from studio
 """
 
 
-
 import copy
 import os
 import shutil

cms/djangoapps/contentstore/tests/test_import_pure_xblock.py

@@ -3,7 +3,6 @@ Integration tests for importing courses containing pure XBlocks.
 """
 
 
-
 from django.conf import settings
 from xblock.core import XBlock
 from xblock.fields import String

cms/djangoapps/contentstore/tests/test_proctoring.py

@@ -3,7 +3,6 @@ Tests for the edx_proctoring integration into Studio
 """
 
 
-
 from datetime import datetime, timedelta
 
 import ddt

cms/djangoapps/contentstore/tests/test_signals.py

@@ -1,7 +1,6 @@
 """Tests for verifying availability of resources for locking"""
 
 
-
 import ddt
 import six
 from mock import Mock, patch

cms/djangoapps/contentstore/tests/test_video_utils.py

@@ -4,7 +4,6 @@ Unit tests for video utils.
 """
 
 
-
 from datetime import datetime
 from unittest import TestCase