Bug#908984: breezy: autopkgtests fail on 32 bit architectures

[Jeremy Bicha <jbicha@debian.org>]

Source: breezy
Version: 3.0.0~bzr7096-1
Severity: important
X-Debbugs-CC: debian-ci@lists.debian.org
User: debian-ci@lists.debian.org
Usertags: regression

Please investigate these autopkgtest failures on Ubuntu 18.10:
https://autopkgtest.ubuntu.com/packages/b/breezy/cosmic/i386
https://autopkgtest.ubuntu.com/packages/b/breezy/cosmic/armhf

Log excerpt (this is repeated many times)
----------------
Traceback (most recent call last):
OverflowError: Python int too large to convert to C long

Thanks,
Jeremy Bicha