this derivation will be built:
  /nix/store/mx6bag6yqqrl3r35qd4fi3w1a39v33i8-interpolate-conformance.drv
building '/nix/store/mx6bag6yqqrl3r35qd4fi3w1a39v33i8-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok