this derivation will be built:
  /nix/store/xiw6fna7b67p4hf6hkscm0qc13q3p6bx-interpolate-conformance.drv
building '/nix/store/xiw6fna7b67p4hf6hkscm0qc13q3p6bx-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok