this derivation will be built:
  /nix/store/7x2q1k45f8m58026apy0kf7hqb2p2yyw-interpolate-conformance.drv
building '/nix/store/7x2q1k45f8m58026apy0kf7hqb2p2yyw-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok