this derivation will be built:
  /nix/store/b3sspvwr9an3q0q7pp0dxaqkw8k64mdh-interpolate-conformance.drv
building '/nix/store/b3sspvwr9an3q0q7pp0dxaqkw8k64mdh-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok