this derivation will be built:
  /nix/store/214x8hfhmnnk39d9kc74mj4gyh6dngkl-interpolate-conformance.drv
building '/nix/store/214x8hfhmnnk39d9kc74mj4gyh6dngkl-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok