this derivation will be built:
  /nix/store/iaz7z9kfv932qivjad7i0h14hnk7f8gv-interpolate-conformance.drv
building '/nix/store/iaz7z9kfv932qivjad7i0h14hnk7f8gv-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok