this derivation will be built:
  /nix/store/741grqx3cs3iy21q9a2ng0yv8grnx9qg-interpolate-conformance.drv
building '/nix/store/741grqx3cs3iy21q9a2ng0yv8grnx9qg-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok