this derivation will be built:
  /nix/store/v73z548v1k0j1c0q1zcci7wd981zqm2a-interpolate-conformance.drv
building '/nix/store/v73z548v1k0j1c0q1zcci7wd981zqm2a-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok