this derivation will be built:
  /nix/store/w2cxkiz7vzz3xj1nygr144c512h6ldr1-interpolate-conformance.drv
building '/nix/store/w2cxkiz7vzz3xj1nygr144c512h6ldr1-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok