python3-decouple 3.1-2 (s390x binary) in ubuntu cosmic

 Decouple helps you to organize your settings so that you can
 change parameters without having to redeploy your app.
 .
 It also makes easy for you to:
 .
 store parameters on ini or .env files;
 define comprehensive default values;
 properly convert values to the correct data type;
 have only one configuration module to rule all your instances.
 .
 It was originally designed for Django, but became an independent
 generic tool for separating settings from code.
 .
 Framework Django
 Framework Flask
 .
 This package installs the library for Python 3.