this derivation will be built:
  /nix/store/x13wx9knk8qi01bnhik1zx5bgx6x4m4v-interpolate-conformance.drv
building '/nix/store/x13wx9knk8qi01bnhik1zx5bgx6x4m4v-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok