this derivation will be built:
  /nix/store/cnzx74sqx1gh7dlnpsy03pz81fx6j5j6-interpolate-conformance.drv
building '/nix/store/cnzx74sqx1gh7dlnpsy03pz81fx6j5j6-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok