this derivation will be built:
  /nix/store/99hc1gl42hw15z6lf1zi3h2bz1bchrd4-interpolate-conformance.drv
building '/nix/store/99hc1gl42hw15z6lf1zi3h2bz1bchrd4-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok