python-ruamel.ordereddict binary package in Ubuntu Focal s390x

 This package is an implementation of an ordered dictionary with Key Insertion
 Order (KIO: updates of values do not affect the position of the key),
 Key Value Insertion Order (KVIO, an existing key's position is removed
 and put at the back).
 .
 Sorted dictionaries are also provided. Currently only with Key Sorted
 Order (KSO, no sorting function can be specified, but you can specify a
 transform to apply on the key before comparison (e.g. string.lower)).

Source package