diff --git a/cms/djangoapps/contentstore/features/common.py b/cms/djangoapps/contentstore/features/common.py
index 3d886082b4..d0d007b231 100644
--- a/cms/djangoapps/contentstore/features/common.py
+++ b/cms/djangoapps/contentstore/features/common.py
@@ -147,10 +147,11 @@ def add_section(name='My Section'):
     span_css = 'span.section-name-span'
     assert_true(world.browser.is_element_present_by_css(span_css, 5))
 
+
 def add_subsection(name='Subsection One'):
     css = 'a.new-subsection-item'
     css_click(css)
     name_css = 'input.new-subsection-name-input'
     save_css = 'input.new-subsection-name-save'
     css_fill(name_css, name)
-    css_click(save_css)
\ No newline at end of file
+    css_click(save_css)
diff --git a/lms/djangoapps/courseware/features/courses.py b/lms/djangoapps/courseware/features/courses.py
index 77756adca2..ba0bcd359b 100644
--- a/lms/djangoapps/courseware/features/courses.py
+++ b/lms/djangoapps/courseware/features/courses.py
@@ -8,6 +8,7 @@ from logging import getLogger
 logger = getLogger(__name__)
 
 ## support functions
+
 def get_courses():
     '''
     Returns dict of lists of courses available, keyed by course.org (ie university).
@@ -81,8 +82,8 @@ def get_courseware_with_tabs(course_id):
     course = get_course_by_id(course_id)
     chapters = [chapter for chapter in course.get_children() if chapter.metadata.get('hide_from_toc', 'false').lower() != 'true']
     courseware = [{'chapter_name': c.display_name,
-                    'sections': [{'section_name': s.display_name, 
-                                'clickable_tab_count': len(s.get_children()) if (type(s) == seq_module.SequenceDescriptor) else 0, 
+                    'sections': [{'section_name': s.display_name,
+                                'clickable_tab_count': len(s.get_children()) if (type(s) == seq_module.SequenceDescriptor) else 0,
                                 'tabs': [{'children_count': len(t.get_children()) if (type(t) == vertical_module.VerticalDescriptor) else 0,
                                         'class': t.__class__.__name__}
                                         for t in s.get_children()]}
diff --git a/lms/djangoapps/courseware/features/login.py b/lms/djangoapps/courseware/features/login.py
index b394f359d5..ca7d710c61 100644
--- a/lms/djangoapps/courseware/features/login.py
+++ b/lms/djangoapps/courseware/features/login.py
@@ -33,6 +33,7 @@ def click_the_dropdown(step):
     e.click()
 
 #### helper functions
+
 def user_is_an_unactivated_user(uname):
     u = User.objects.get(username=uname)
     u.is_active = False
diff --git a/lms/djangoapps/courseware/features/registration.py b/lms/djangoapps/courseware/features/registration.py
index 4dab8f1dc8..f585136412 100644
--- a/lms/djangoapps/courseware/features/registration.py
+++ b/lms/djangoapps/courseware/features/registration.py
@@ -1,5 +1,6 @@
 from lettuce import world, step
 
+
 @step('I register for the course numbered "([^"]*)"$')
 def i_register_for_the_course(step, course):
     courses_section = world.browser.find_by_css('section.courses')
@@ -13,11 +14,13 @@ def i_register_for_the_course(step, course):
 
     assert world.browser.is_element_present_by_css('section.container.dashboard')
 
+
 @step(u'I should see the course numbered "([^"]*)" in my dashboard$')
 def i_should_see_that_course_in_my_dashboard(step, course):
     course_link_css = 'section.my-courses a[href*="%s"]' % course
     assert world.browser.is_element_present_by_css(course_link_css)
 
+
 @step(u'I press the "([^"]*)" button in the Unenroll dialog')
 def i_press_the_button_in_the_unenroll_dialog(step, value):
     button_css = 'section#unenroll-modal input[value="%s"]' % value