this derivation will be built:
  /nix/store/psm2w2f3mzlm5kbgc2984722d34yx0a6-interpolate-conformance.drv
building '/nix/store/psm2w2f3mzlm5kbgc2984722d34yx0a6-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok