Organize imports

Remove unused imports and organize misordered imports.

Issue: HIC-170
Change-Id: I0cb2875a6e4c0a1c4a60740c4161aa2445f4317b
diff --git a/hiccup/settings.py b/hiccup/settings.py
index 07e2415..4d46b4a 100644
--- a/hiccup/settings.py
+++ b/hiccup/settings.py
@@ -205,6 +205,6 @@
 SWAGGER_SETTINGS = {"DEFAULT_INFO": "hiccup.urls.api_info"}
 
 try:
-    from local_settings import *  # noqa: F403, F401
+    from local_settings import *  # noqa: F403,F401 pylint: disable=W0401,W0614
 except ImportError as e:
     pass