Remove stray __pycache__ directory from /usr/bin when running %pyproject_install

Solves bz#1739848

macros.pyproject

@@ -8,6 +8,7 @@ CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}" \\\
 %{__python3} -m pip install --root %{buildroot} --no-deps --disable-pip-version-check --progress-bar off --verbose --ignore-installed --no-warn-script-location ./*.whl
 if [ -d %{buildroot}%{_bindir} ]; then
   pathfix.py -pni "%{__python3} %{py3_shbang_opts}" %{buildroot}%{_bindir}/*
+  rm -rfv %{buildroot}%{_bindir}/__pycache__
 fi
 if [ -d %{buildroot}%{python3_sitelib} ]; then
   sed -i 's/pip/rpm/' %{buildroot}%{python3_sitelib}/*.dist-info/INSTALLER

pyproject-rpm-macros.spec

@@ -6,7 +6,7 @@ License:        MIT
 
 # Keep the version at zero and increment only release
 Version:        0
-Release:        8%{?dist}
+Release:        9%{?dist}
 
 Source0:        macros.pyproject
 Source1:        pyproject_buildrequires.py
@@ -87,6 +87,9 @@ install -m 644 pyproject_buildrequires.py %{buildroot}%{_rpmconfigdir}/redhat/
 %license LICENSE
 
 %changelog
+* Wed Nov 13 2019 Anna Khaitovich <akhaitov@redhat.com> - 0-9
+- Remove stray __pycache__ directory from /usr/bin when running %%pyproject_install
+
 * Fri Oct 25 2019 Miro Hrončok <mhroncok@redhat.com> - 0-8
 - When tox fails, print tox output before failing