this derivation will be built:
  /nix/store/5zh6s6x6y5a7f392k3sn1k17q8plpif7-interpolate-conformance.drv
building '/nix/store/5zh6s6x6y5a7f392k3sn1k17q8plpif7-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok