Fix string layout for readability

cms/manage.py

@@ -5,7 +5,9 @@ try:
     imp.find_module('settings') # Assumed to be in the same directory.
 except ImportError:
     import sys
-    sys.stderr.write("Error: Can't find the file 'settings.py' in the directory containing %r. It appears you've customized things.\nYou'll have to run django-admin.py, passing it your settings module.\n" % __file__)
+    sys.stderr.write("Error: Can't find the file 'settings.py' in the directory containing %r. "
+                     "It appears you've customized things.\nYou'll have to run django-admin.py, "
+                     "passing it your settings module.\n" % __file__)
     sys.exit(1)
 
 import settings