this derivation will be built:
  /nix/store/zw2mh5dy7fv99rq9ghl2vbj9y2ki3caq-interpolate-conformance.drv
building '/nix/store/zw2mh5dy7fv99rq9ghl2vbj9y2ki3caq-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok