Bug#1060971: mdtraj: FTBFS: dpkg-buildpackage: error: dpkg-source -b . subprocess returned exit status 2

[Drew Parsons]

Source: mdtraj
Followup-For: Bug #1060971
X-Debbugs-Cc: 1060971-d...@bugs.debian.org
Control: fixed 1060971 1.9.9-1

Fixed with cython3-legacy at the same time the bug was filed.