this derivation will be built:
  /nix/store/x1l9kp6z07y137bynhk6v6zhlsz2n3jf-interpolate-conformance.drv
building '/nix/store/x1l9kp6z07y137bynhk6v6zhlsz2n3jf-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok