this derivation will be built:
  /nix/store/y5n2x6c5skgzl74p8h47hl4di8v8fig0-interpolate-conformance.drv
building '/nix/store/y5n2x6c5skgzl74p8h47hl4di8v8fig0-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok