Add missing setuptools

gentoo/g2hep/Dockerfile

@@ -12,5 +12,5 @@ RUN echo "sci-physics/thepeg lhapdf hepmc3 fastjet rivet"
 RUN echo ">=sci-physics/oneloop-3.7.2 qpkind16 -qpkind"                                                              >> /etc/portage/package.use/zz-autoaccept
 RUN echo ">=sci-physics/root-6 -X -qt5 -asimage -opengl -jupyter"                                                    >> /etc/portage/package.use/zz-autoaccept
 
-RUN USE="python hepmc3 -hepmc2 lhapdf -root ppllj pplljj pplnj-ckm pplnjj-ckm" emerge --autounmask=y --autounmask-write --autounmask-continue --autounmask-use=y  sci-physics/lhapdf sci-physics/lhapdf-sets sci-physics/looptools sci-physics/rivet:3 sci-physics/pythia:8 sci-physics/openloops '>=sci-physics/hepmc-3.2.7' && rm -rf /var/cache/distfiles/*
+RUN USE="python hepmc3 -hepmc2 lhapdf -root ppllj pplljj pplnj-ckm pplnjj-ckm" emerge --autounmask=y --autounmask-write --autounmask-continue --autounmask-use=y  dev-python/setuptools sci-physics/lhapdf sci-physics/lhapdf-sets sci-physics/looptools sci-physics/rivet:3 sci-physics/pythia:8 sci-physics/openloops '>=sci-physics/hepmc-3.2.7' && rm -rf /var/cache/distfiles/*
 # TODO hepi, resummino, sherpa, herwig, n(n)ll-fast scikit-hep, powheg