this derivation will be built:
  /nix/store/ak6j8764mddxmlzd8afy8gbk2h8l0lai-interpolate-conformance.drv
building '/nix/store/ak6j8764mddxmlzd8afy8gbk2h8l0lai-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok