Francisco de Maussion

Fixes setup.py for pip installation

4

the `UltraMagicString` was breaking pip installation see https://github.com/gregmuellegger/django-autofixture/issues/117

# Problem Statement We were having trouble un-deleting objects that had a relation to a model with `on_delete=models.SET_NULL` since the relation is lost and couldn't be automatically restored when undeleting....

## Problem Monitor field does not gets populated on creation since the `previous != current` evaluates to False. The problem is when `when` is setted and not respected on creation....