this derivation will be built:
  /nix/store/wkij7iah48y4r137v4l7dd6z8l90i9qv-interpolate-conformance.drv
building '/nix/store/wkij7iah48y4r137v4l7dd6z8l90i9qv-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok