this derivation will be built:
  /nix/store/bmp7nkm0qxj4vcd8dp1gs87l4f27qfpl-interpolate-conformance.drv
building '/nix/store/bmp7nkm0qxj4vcd8dp1gs87l4f27qfpl-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok