this derivation will be built:
  /nix/store/gdfirb3z6l0w4z0q615n1f4r6v6zbjxw-interpolate-conformance.drv
building '/nix/store/gdfirb3z6l0w4z0q615n1f4r6v6zbjxw-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok