this derivation will be built:
  /nix/store/ncbjfq93k0mw1ib9xg4w34k2876n6x58-interpolate-conformance.drv
building '/nix/store/ncbjfq93k0mw1ib9xg4w34k2876n6x58-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok