gistfile1.txt

[root@nixosLinux:~]# nixos-rebuild switch
building Nix...
building the system configuration...
Traceback (most recent call last):
  File "/nix/store/98br3w38n8qsjjbwry38rabv9q7cimrx-systemd-boot-builder.py", line 149, in <module>
    main()
  File "/nix/store/98br3w38n8qsjjbwry38rabv9q7cimrx-systemd-boot-builder.py", line 142, in main
    remove_old_entries(gens)
  File "/nix/store/98br3w38n8qsjjbwry38rabv9q7cimrx-systemd-boot-builder.py", line 105, in remove_old_entries
    os.unlink(path)
IsADirectoryError: [Errno 21] Is a directory: '/boot/efi/nixos/x86_64-efi'
warning: error(s) occurred while switching to the new configuration