these 3 derivations will be built:
  /nix/store/p8z61spslzy3czr6zspvx2pzdwzg9hqg-clan-cli.drv
  /nix/store/qn1mx1yykh47yqpjq4bfiw28m6rp6ccp-python3-3.13.15-env.drv
  /nix/store/3sy75kgnwqfnl6j1y4bpg2r6fqc3md50-ui.drv
building '/nix/store/3sy75kgnwqfnl6j1y4bpg2r6fqc3md50-ui.drv'
ui> Sourcing python-remove-tests-dir-hook
ui> Sourcing python-catch-conflicts-hook.sh
ui> Sourcing python-remove-bin-bytecode-hook.sh
ui> Sourcing pypa-build-hook
ui> Sourcing python-runtime-deps-check-hook
ui> Using pythonRuntimeDepsCheckHook
ui> Sourcing pypa-install-hook
ui> Using pypaInstallPhase
ui> Sourcing python-imports-check-hook.sh
ui> Using pythonImportsCheckPhase
ui> Sourcing python-namespaces-hook
ui> Sourcing python-catch-conflicts-hook.sh
ui> Running phase: buildPhase

upload niks3: ok