this derivation will be built:
  /nix/store/6fv71vff848qbbhq2i5nhydiad3p1xp1-python3.9-nengo-3.2.0.drv
these 12 paths will be fetched (20.3 MiB download, 107.4 MiB unpacked):
  /nix/store/nah1zbg4125n0bbgii6il7b9ylrhfv7b-hook
  /nix/store/cbs7sfyqrr46p42qkjl9z58jsk4xshbf-pip-install-hook
  /nix/store/kmkz6vir5y1ns44vhf2kpqprhpb9n79i-python-catch-conflicts-hook
  /nix/store/ncp6ap0322jg1d93jvlc5q9g6yv6kryy-python-imports-check-hook.sh
  /nix/store/df2lcp6y919qz9dsmvfga15c0r5345ia-python-namespaces-hook.sh
  /nix/store/864xk2bwkq3z2w1acg45lhgj2j23dq3v-python-remove-tests-dir-hook
  /nix/store/v3jjnrxnsi318mgkpnzh7qb18a9y98ig-python3-3.9.16
  /nix/store/jy7rslsa39v40yg1vkwv470wd7vvrb14-python3.9-numpy-1.23.3
  /nix/store/2ldp7z4fb5lh8fjpq7370n35fzc6j39a-python3.9-pip-22.2.2
  /nix/store/3pqwnc3n91037mvmdm7204qnh9x378mi-python3.9-setuptools-65.3.0
  /nix/store/8hadx3iiakm5rkslqfd73sxqlwwqrz7q-python3.9-wheel-0.37.1
  /nix/store/qkh3mg4d7jj6bwnzbcz7xxxwixbh6hf2-setuptools-setup-hook