this derivation will be built:
  /nix/store/yg92qz7b3m361x2xi9rbn2a1kwkpbfkd-interpolate-conformance.drv
building '/nix/store/yg92qz7b3m361x2xi9rbn2a1kwkpbfkd-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok