this derivation will be built:
  /nix/store/ddn0p8svrvxbqx736llwr5f3zj6v8f4w-interpolate-conformance.drv
building '/nix/store/ddn0p8svrvxbqx736llwr5f3zj6v8f4w-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok