this derivation will be built:
  /nix/store/h0mq39pidw27yw74vxh5kckdfph7qj3a-interpolate-conformance.drv
building '/nix/store/h0mq39pidw27yw74vxh5kckdfph7qj3a-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok