this derivation will be built:
  /nix/store/b8357qvs0ljvbr7zpr1w3wg069h4vj74-interpolate-conformance.drv
building '/nix/store/b8357qvs0ljvbr7zpr1w3wg069h4vj74-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok