doctest failures in graph.py and factorization.py (caused by architecture dependence)

[williamstein]

Component: combinatorics

Issue created by migration from https://trac.sagemath.org/ticket/2471

[williamstein]

Attachment: sage-2471.patch.gz

[aghitza]

comment:1

Looks good and fixes the doctest failures on my machine.

[sagetrac-mabshoff]

comment:3

Merged in Sage 2.10.3.final