this derivation will be built:
  /nix/store/znxw2x6251nzy9ib8iqkvwm0d2x17zha-interpolate-conformance.drv
building '/nix/store/znxw2x6251nzy9ib8iqkvwm0d2x17zha-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok