this derivation will be built:
  /nix/store/ply90m5v5vrjb9s9vsba6s2icjvayr1m-interpolate-conformance.drv
building '/nix/store/ply90m5v5vrjb9s9vsba6s2icjvayr1m-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok