Merge pull request #5925 from stvstnfrd/pep8/continuation

Fix continuation-related PEP8 issues

docs/en_us/developers/source/conf.py

@@ -47,8 +47,14 @@ sys.path.append(root / "lms/djangoapps")
 sys.path.append(root / "lms/lib")
 sys.path.append(root / "cms/djangoapps")
 sys.path.append(root / "cms/lib")
-sys.path.insert(0, os.path.abspath(os.path.normpath(os.path.dirname(__file__)
-    + '/../../../')))
+sys.path.insert(
+    0,
+    os.path.abspath(
+        os.path.normpath(
+            os.path.dirname(__file__) + '/../../../'
+        )
+    )
+)
 sys.path.append('.')
 
 #  django configuration  - careful here
@@ -134,7 +140,7 @@ MOCK_MODULES = [
     'yaml',
     'webob',
     'webob.multidict',
-    ]
+]
 
 if on_rtd:
     for mod_name in MOCK_MODULES: