this derivation will be built:
  /nix/store/y3f84a6c2wby892419sy6825aaa74v4g-interpolate-conformance.drv
building '/nix/store/y3f84a6c2wby892419sy6825aaa74v4g-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok