this derivation will be built:
  /nix/store/01400i53dk57283l00d8qq3s1a60sj1p-interpolate-conformance.drv
building '/nix/store/01400i53dk57283l00d8qq3s1a60sj1p-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok