this derivation will be built:
  /nix/store/8xa5p6jgyya799s4y521clxifm5vw3f4-interpolate-conformance.drv
building '/nix/store/8xa5p6jgyya799s4y521clxifm5vw3f4-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok