pylint #9542 unrecognized ancestor in two files [resolved]

For the creation of the class diagram (-c option), Pyreverse doesn't recognize an ancestor of a class, the ancestor being in another module like in the following situation:

$ rgrep class temp/
  temp/module1.py:2:class AbstractClass(object):
  temp/module2.py:3:class MyClass(AbstractClass):
prioritynormal
typebug
done in0.23.0
load0.500
load left0.000
closed by<not specified>