this derivation will be built:
  /nix/store/isbyf0w1v5pv3bl8nk2q9k1vc559rx7p-interpolate-conformance.drv
building '/nix/store/isbyf0w1v5pv3bl8nk2q9k1vc559rx7p-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok