this derivation will be built:
  /nix/store/f84w02099s97m8pkpx8nm3labq4f9gpy-interpolate-conformance.drv
building '/nix/store/f84w02099s97m8pkpx8nm3labq4f9gpy-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok