this derivation will be built:
  /nix/store/in913d6l1g12f908aj0zzpzf61v6css6-interpolate-conformance.drv
building '/nix/store/in913d6l1g12f908aj0zzpzf61v6css6-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok