this derivation will be built:
  /nix/store/x0l7k0wwc38pq7i4ayhmji0r9j40fpp1-interpolate-conformance.drv
building '/nix/store/x0l7k0wwc38pq7i4ayhmji0r9j40fpp1-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok