this derivation will be built:
  /nix/store/25zh25x9ibvzvpq0dajd6ww53hg8i3nn-interpolate-conformance.drv
building '/nix/store/25zh25x9ibvzvpq0dajd6ww53hg8i3nn-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok