this derivation will be built:
  /nix/store/jj5i3hsz3g7fs3rnczbbdn8gd7zz7w9l-interpolate-conformance.drv
building '/nix/store/jj5i3hsz3g7fs3rnczbbdn8gd7zz7w9l-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok