this derivation will be built:
  /nix/store/0121bghrgp87a3r8ib8p9xdqd9p9kl90-interpolate-conformance.drv
building '/nix/store/0121bghrgp87a3r8ib8p9xdqd9p9kl90-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok