diff --git a/cms/djangoapps/contentstore/tests/test_import_export.py b/cms/djangoapps/contentstore/tests/test_import_export.py
index d09f3a9715..dbc131b207 100644
--- a/cms/djangoapps/contentstore/tests/test_import_export.py
+++ b/cms/djangoapps/contentstore/tests/test_import_export.py
@@ -32,10 +32,10 @@ class ImportTestCase(CourseTestCase):
                 os.utime(name, None)
 
         # Create tar test files -----------------------------------------------
-        # OK course: 
+        # 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:
@@ -44,7 +44,7 @@ class ImportTestCase(CourseTestCase):
         self.good_tar = os.path.join(self.content_dir, "good.tar.gz")
         with tarfile.open(self.good_tar, "w:gz") as gtar:
             gtar.add(good_dir)
-           
+
         # Bad course (no 'course.xml' file):
         bad_dir = tempfile.mkdtemp(dir=self.content_dir)
         touch(os.path.join(bad_dir, "bad.xml"))
@@ -62,11 +62,11 @@ class ImportTestCase(CourseTestCase):
         """
         with open(self.bad_tar) as btar:
             resp = self.client.post(
-                    self.url,
-                    {
-                        "name": self.bad_tar,
-                        "course-data": [btar]
-                    })
+                self.url,
+                {
+                    "name": self.bad_tar,
+                    "course-data": [btar]
+                })
         self.assertEquals(resp.status_code, 415)
 
     def test_with_coursexml(self):
@@ -82,4 +82,3 @@ class ImportTestCase(CourseTestCase):
                         "course-data": [gtar]
                     })
         self.assert2XX(resp.status_code)
-
diff --git a/cms/djangoapps/contentstore/views/import_export.py b/cms/djangoapps/contentstore/views/import_export.py
index ab359862b1..b88b7d59b4 100644
--- a/cms/djangoapps/contentstore/views/import_export.py
+++ b/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
@@ -38,7 +37,7 @@ __all__ = ['import_course', 'generate_export_course', 'export_course']
 log = logging.getLogger(__name__)
 
 
-MAX_UP_LENGTH = 20000352 # Max chunk size for uploads
+MAX_UP_LENGTH = 20000352  # Max chunk size for uploads
 
 # Regex to capture Content-Range header ranges.
 CONTENT_RE = re.compile(r"(?P<start>\d{1,11})-(?P<stop>\d{1,11})/(?P<end>\d{1,11})")
@@ -113,18 +112,18 @@ def import_course(request, org, course, name):
         if int(content_range['stop']) != int(content_range['end']) - 1:
             # More chunks coming
             return JsonResponse({
-                    "files": [{
-                        "name": filename,
-                        "size": size,
-                        "deleteUrl": "",
-                        "deleteType": "",
-                        "url": reverse('import_course', kwargs={
-                            'org': location.org,
-                            'course': location.course,
-                            'name': location.name
-                        }),
-                        "thumbnailUrl": ""
-                    }]
+                "files": [{
+                    "name": filename,
+                    "size": size,
+                    "deleteUrl": "",
+                    "deleteType": "",
+                    "url": reverse('import_course', kwargs={
+                        'org': location.org,
+                        'course': location.course,
+                        'name': location.name
+                    }),
+                    "thumbnailUrl": ""
+                }]
             })
 
         else:   # This was the last chunk.
@@ -147,7 +146,7 @@ def import_course(request, org, course, name):
             def get_all_files(directory):
                 """
                 For each file in the directory, yield a 2-tuple of (file-name,
-                directory-path) 
+                directory-path)
                 """
                 for dirpath, _dirnames, filenames in os.walk(directory):
                     for filename in filenames: