these 2 derivations will be built:
  /nix/store/s4zmq1s9f3kybhc6705b8n3qkfj6nsz7-python3-3.13.15-env.drv
  /nix/store/hsbvf89n2lp5hp71pha3srsn9j16jg2q-mypy.drv
these 4 paths will be fetched (13.5 MiB download, 66.8 MiB unpacked):
  /nix/store/5wpl6njd1cl8fdq8nqw797pawkxqhhrm-python3.13-flit-core-3.12.0
  /nix/store/0jvh5598c1fmi3daj757q0b8byz60di5-python3.13-librt-0.13.0
  /nix/store/y3fxzqswsx4h7pbk574fv4nb6xlil5db-python3.13-mypy-2.1.0
  /nix/store/9jqracrk57fzxcfcr2ysac0yhh7wx9ii-python3.13-mypy-extensions-1.1.0