diff --git a/cms/djangoapps/contentstore/features/common.py b/cms/djangoapps/contentstore/features/common.py
index aa4ed56a16..8146c4ab99 100644
--- a/cms/djangoapps/contentstore/features/common.py
+++ b/cms/djangoapps/contentstore/features/common.py
@@ -113,7 +113,7 @@ def create_a_course():
 
     # Add the user to the instructor group of the course
     # so they will have the permissions to see it in studio
-    g = world.GroupFactory.create(name='instructor_MITx/%s/%s' % (COURSE_NUM, COURSE_NAME.replace(" ", "_"),))
+    g = world.GroupFactory.create(name='instructor_MITx/{course_num}/{course_name}'.format(course_num=COURSE_NUM, course_name=COURSE_NAME.replace(" ", "_")))
     u = get_user_by_email('robot+studio@edx.org')
     u.groups.add(g)
     u.save()
diff --git a/cms/djangoapps/contentstore/features/course-team.py b/cms/djangoapps/contentstore/features/course-team.py
index cfcd0e053d..439eccb265 100644
--- a/cms/djangoapps/contentstore/features/course-team.py
+++ b/cms/djangoapps/contentstore/features/course-team.py
@@ -35,7 +35,7 @@ def add_other_user(step, name):
 
 @step(u'I delete "([^"]*)" from the course team')
 def delete_other_user(step, name):
-    to_delete_css = '.remove-user[data-id="{name}{extension}"]'.format(name=name, extension=EMAIL_EXTENSION,)
+    to_delete_css = '.remove-user[data-id="{name}{extension}"]'.format(name=name, extension=EMAIL_EXTENSION)
     world.css_click(to_delete_css)