this derivation will be built:
  /nix/store/7czl8bb5m4pz87x25rbrivg94a6l7l4n-interpolate-conformance.drv
building '/nix/store/7czl8bb5m4pz87x25rbrivg94a6l7l4n-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok