this derivation will be built:
  /nix/store/fnk3gr4d53ka03jcbq3czs4izc8kwb33-interpolate-conformance.drv
building '/nix/store/fnk3gr4d53ka03jcbq3czs4izc8kwb33-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok