this derivation will be built:
  /nix/store/bw3g8bpr6l6i22xjxrgw0jwz3mn1hwfg-interpolate-conformance.drv
building '/nix/store/bw3g8bpr6l6i22xjxrgw0jwz3mn1hwfg-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok