this derivation will be built:
  /nix/store/sc4z0myl4i3g1a86gv5wwwgc4lgid02p-interpolate-conformance.drv
building '/nix/store/sc4z0myl4i3g1a86gv5wwwgc4lgid02p-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok