this derivation will be built:
  /nix/store/08c053ngz2f5l6b7cjmy235g2mm5x6my-interpolate-conformance.drv
building '/nix/store/08c053ngz2f5l6b7cjmy235g2mm5x6my-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok