python2.7-flake8-4.0.1 failed to build

[agentpt5]

Describe the bug

builder for '/nix/store/3iwy0v935l5g8q8ggw6sgravncsjlq69-python2.7-flake8-4.0.1.drv' failed with exit code 1

cannot build derivation '/nix/store/6ckahsfycginmmjhzk8yfxf1j0rxphvw-python2.7-html5lib-1.1.drv': 1 dependencies couldn't be built
building '/nix/store/q969hll6hpjwz47i7l3669xafq8dzhd3-python2.7-olefile-0.46.drv'...
cannot build derivation '/nix/store/6n0nclmw1275qwis27yxxdx8zc91p91m-python2.7-sphinx-1.8.5.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/l8zjlpbk3l6lcjc788gx2p86cjkg5dir-python2.7-arrow-0.17.0.drv': 1 dependencies couldn't be built
building '/nix/store/vh3q859xljmnxmybwkah7pfcmvpc0451-python2.7-pyroma-2.6.1.drv'...
cannot build derivation '/nix/store/9w5ld179l8w0iyff57ws3flszpph1fyy-python2.7-construct-2.10.54.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/r18kc25n6ak41zix5yrld688r5lgwa59-python2.7-brotlipy-0.7.0.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/sqnfrh6apyrdy2cnkrhan4i16n7cirrn-python2.7-httpbin-0.7.0.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/83knpz4yzpbjlg698bcs33yhkjczq84c-python2.7-pytest-httpbin-1.0.0.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/50k88ikb7k805q7ls9i8pls2mwa8r7hp-python2.7-vcrpy-3.0.0.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/xn2qqm6hpmbnrdqxx29jgxf3kqvdsra9-python2.7-datadog-0.42.0.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/zshvfjp2hqrybhsyc0lg6dzm2mdmy4ds-nixops-1.7.drv': 1 dependencies couldn't be built

Steps To Reproduce

[root@G6400:/etc/nixos]# nixos-rebuild boot

Metadata

[root@G6400:/etc/nixos]# nix-shell -p nix-info --run "nix-info -m"

• system: "x86_64-linux"
• host os: Linux 5.13.8, NixOS, 21.05.2329.348bc5de8bc (Okapi)
• multi-user?: yes
• sandbox: yes
• version: nix-env (Nix) 2.3.15
• channels(root): "nixos-21.11.333823.96b4157790f"
• nixpkgs: /nix/var/nix/profiles/per-user/root/channels/nixos