this derivation will be built:
  /nix/store/ffd19fy8q3k1a7h3gwdwna43ccyszlr3-interpolate-conformance.drv
building '/nix/store/ffd19fy8q3k1a7h3gwdwna43ccyszlr3-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok