this derivation will be built:
  /nix/store/zz6a79lb5652mgasl6j2i05fv4v8ywf3-interpolate-conformance.drv
building '/nix/store/zz6a79lb5652mgasl6j2i05fv4v8ywf3-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok