Clean up coverage and code quality issues

common/test/acceptance/pages/studio/container.py

@@ -59,7 +59,7 @@ class ContainerPage(PageObject):
         action = ActionChains(self.browser)
         action.click_and_hold(source).perform()  # pylint: disable=protected-access
         action.move_to_element_with_offset(
-            target, 0, target.size['height']/2 if after else 0
+            target, 0, target.size['height'] / 2 if after else 0
         ).perform()  # pylint: disable=protected-access
         action.release().perform()
         # TODO: should wait for "Saving" to go away so we know the operation is complete?

common/test/acceptance/tests/test_studio_acid_xblock.py

@@ -10,6 +10,7 @@ from ..pages.studio.overview import CourseOutlinePage
 from ..pages.xblock.acid import AcidView
 from ..fixtures.course import CourseFixture, XBlockFixtureDesc
 
+
 class XBlockAcidBase(WebAppTest):
     """
     Base class for tests that verify that XBlock integration is working correctly

common/test/acceptance/tests/test_studio_general.py

@@ -131,11 +131,11 @@ class DiscussionPreviewTest(UniqueCourseTest):
 
         AutoAuthPage(self.browser, staff=True).visit()
         cop = CourseOutlinePage(
-                self.browser,
-                self.course_info['org'],
-                self.course_info['number'],
-                self.course_info['run']
-                )
+            self.browser,
+            self.course_info['org'],
+            self.course_info['number'],
+            self.course_info['run']
+        )
         cop.visit()
         self.unit = cop.section('Test Section').subsection('Test Subsection').toggle_expand().unit('Test Unit')
         self.unit.go_to()