Source: foo
Section: python
Priority: optional
Maintainer: Piotr Ożarowski <piotr@debian.org>
Build-Depends: debhelper (>= 7.0.50~), python3-all
Standards-Version: 3.9.0
X-Python3-Version: >= 3.1, << 3.9

Architecture: all
Package: python3-foo
Depends: ${python3:Depends}, ${misc:Depends}
Recommends: ${python3:Recommends}
Suggests: ${python3:Suggests}
Enhances: ${python3:Enhances}
Breaks: ${python3:Breaks}
Provides: ${python3:Provides}
Description: foo to rule them all
 example package #1