this derivation will be built:
  /nix/store/i0jxr64f43vw992l644ixxp5l0hkmqwc-interpolate-conformance.drv
building '/nix/store/i0jxr64f43vw992l644ixxp5l0hkmqwc-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok