> %license PKG-INFO
it's not license and doesn't contain any interesting stuff, so drop it

> %{python2_sitelib}/%{srcname}/*.py*
> %{python3_sitelib}/%{srcname}/__pycache__/
> %{python3_sitelib}/%{srcname}/*.py
and who owns base directory?

> BuildRequires:  python2-devel
> BuildRequires:  python3-devel
move under subpakcages.

* Tests are present, but not ran
* Missing BuildRequires: pythonX-setuptools
* Don't copy-paste description, do something like:
> %global description \
> foo bar\
> baz.
> %description %{_description}
> %description -n python2-%{srcname} %{_description}
> 
> Python 2 version
> ...

Thank you for your comments, here is the new version.

Spec URL: https://dkrejci.fedorapeople.org/python-aaargh/python-aaargh.spec
SRPM URL: https://dkrejci.fedorapeople.org/python-aaargh/python-aaargh-0.7.1-1.fc24.src.rpm

Koji scratch build: http://koji.fedoraproject.org/koji/taskinfo?taskID=15184149

> BuildRequires:  python-pytest-cov
> BuildRequires:  python3-pytest-cov
you can drop this

> %description
> %{desc}
squash such things to one line, otherwise description will have one extra empty line.

> py.test-2
> py.test-3
I would add "-v" to simplify degugging if something will go wrong

Modified.

Spec URL: https://dkrejci.fedorapeople.org/python-aaargh/python-aaargh.spec
SRPM URL: https://dkrejci.fedorapeople.org/python-aaargh/python-aaargh-0.7.1-1.fc24.src.rpm

Koji scratch build: http://koji.fedoraproject.org/koji/taskinfo?taskID=15185358

you forgot to fix:

> %description -n python2-%{srcname}
> %{desc}

same for python3

Done.

Spec URL: https://dkrejci.fedorapeople.org/python-aaargh/python-aaargh.spec
SRPM URL: https://dkrejci.fedorapeople.org/python-aaargh/python-aaargh-0.7.1-1.fc24.src.rpm

Koji scratch build: http://koji.fedoraproject.org/koji/taskinfo?taskID=15185854

Package request has been approved: https://admin.fedoraproject.org/pkgdb/package/rpms/python-aaargh

python-aaargh-0.7.1-1.fc23 has been submitted as an update to Fedora 23. https://bodhi.fedoraproject.org/updates/FEDORA-2016-ef25ffb8cc

python-aaargh-0.7.1-1.fc24 has been submitted as an update to Fedora 24. https://bodhi.fedoraproject.org/updates/FEDORA-2016-c644fccf82

python-aaargh-0.7.1-1.fc25 has been submitted as an update to Fedora 25. https://bodhi.fedoraproject.org/updates/FEDORA-2016-a091e9df72

python-aaargh-0.7.1-1.fc25 has been pushed to the Fedora 25 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-a091e9df72

python-aaargh-0.7.1-1.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-ef25ffb8cc

python-aaargh-0.7.1-1.fc24 has been pushed to the Fedora 24 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-c644fccf82

python-aaargh-0.7.1-1.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.

python-aaargh-0.7.1-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

python-aaargh-0.7.1-1.fc25 has been pushed to the Fedora 25 stable repository. If problems still persist, please make note of it in this bug report.