Pep8 and pylint fixes

cms/djangoapps/contentstore/tests/test_import_export.py

@@ -35,7 +35,7 @@ class ImportTestCase(CourseTestCase):
         # OK course:
         good_dir = tempfile.mkdtemp(dir=self.content_dir)
         os.makedirs(os.path.join(good_dir, "course"))
-        with open(os.path.join(good_dir, "course.xml") , "w+") as f:
+        with open(os.path.join(good_dir, "course.xml"), "w+") as f:
             f.write('<course url_name="2013_Spring" org="EDx" course="0.00x"/>')
 
         with open(os.path.join(good_dir, "course", "2013_Spring.xml"), "w+") as f:
@@ -82,4 +82,3 @@ class ImportTestCase(CourseTestCase):
                         "course-data": [gtar]
                     })
         self.assert2XX(resp.status_code)
-

cms/djangoapps/contentstore/views/import_export.py

@@ -19,7 +19,6 @@ from django.core.files.temp import NamedTemporaryFile
 from django.views.decorators.http import require_http_methods
 
 from mitxmako.shortcuts import render_to_response
-from cache_toolbox.core import del_cached_content
 from auth.authz import create_all_course_groups
 
 from xmodule.modulestore.xml_importer import import_from_xml