[Python-modules-team] Bug#915757: python-django-extensions FTBFS with python-pip 18.1

[Adrian Bunk]

Source: python-django-extensions
Version: 1.8.1-1
Severity: serious
Tags: ftbfs

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/python-django-extensions.html

...
==================================== ERRORS ====================================
_____ ERROR collecting django_extensions/management/commands/pipchecker.py _____
django_extensions/management/commands/pipchecker.py:9: in <module>
    from pip.req import parse_requirements
E   ImportError: No module named req
...
=========================== 1 error in 1.40 seconds ============================
E: pybuild pybuild:338: test: plugin custom failed with: exit code=2: python2.7 -m pytest --ds=tests.testapp.settings --cov=django_extensions django_extensions
dh_auto_test: pybuild --test --test-pytest -i python{version} -p 2.7 --system=custom "--test-args={interpreter} -m pytest --ds=tests.testapp.settings --cov=django_extensions django_extensions" returned exit code 13
make[1]: *** [debian/rules:20: override_dh_auto_test] Error 25