this derivation will be built:
  /nix/store/ypi9c3ypnzmais8k05jbmcbl12z78pjh-interpolate-conformance.drv
building '/nix/store/ypi9c3ypnzmais8k05jbmcbl12z78pjh-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok