this derivation will be built:
  /nix/store/l30f3j17i81wi7r3p6f2xp3k4vidvbsm-interpolate-conformance.drv
building '/nix/store/l30f3j17i81wi7r3p6f2xp3k4vidvbsm-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok