fix import and formatting

pipeline/conf/settings.py

 from django.conf import settings
-from django.core.exceptions import ImproperlyConfigured
 
 
 PIPELINE = getattr(settings, 'PIPELINE', not settings.DEBUG)

pipeline/templatetags/compressed.py

@@ -2,7 +2,7 @@ try:
     from staticfiles.storage import staticfiles_storage
 except ImportError:
     from django.contrib.staticfiles.storage import staticfiles_storage
-    
+
 from django import template
 from django.template.loader import render_to_string