this derivation will be built:
  /nix/store/m8d62y7kf55qd9lrhz42zj1d70cs3f5l-interpolate-conformance.drv
building '/nix/store/m8d62y7kf55qd9lrhz42zj1d70cs3f5l-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok