this derivation will be built:
  /nix/store/gh3zw78mrh02vsq2jv3s8k9d56rnis3n-interpolate-conformance.drv
building '/nix/store/gh3zw78mrh02vsq2jv3s8k9d56rnis3n-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok