this derivation will be built:
  /nix/store/ni58q7znf2a3naa436m3m4gyb5hzvjap-interpolate-conformance.drv
building '/nix/store/ni58q7znf2a3naa436m3m4gyb5hzvjap-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok