this derivation will be built:
  /nix/store/2wvqf0jr7iwh811b4a6876f0l2jsbvf5-interpolate-conformance.drv
building '/nix/store/2wvqf0jr7iwh811b4a6876f0l2jsbvf5-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok