Cannot run python code (or anything non-shell?) in a task

[flaw]

It seems it's not possible to run non-shell scripts in a tasks: entry.

Given a config like

  tasks."python:hello" = {
    exec = ''print("Hello, world!")'';
    binary = "python3";
    package = config.languages.python.package;
  };

when I try to run it, I see:

--- python:hello failed with error: Task exited with status: exit status: 1
--- python:hello stdout:
--- python:hello stderr:
0000.00: Traceback (most recent call last):
0000.00:   File "/nix/store/54s3d671wvdnih712v7qszixim53n568-python-hello", line 2, in <module>
0000.00:     set -e
0000.00: NameError: name 'e' is not defined

Problem seems to be that the generated script contains a rogue set -e:

❯ cat /nix/store/54s3d671wvdnih712v7qszixim53n568-python-hello
#!/nix/store/ibjjy3ab86hiib290mcrmmzghqqr4hg2-python3-3.8.13/bin/python3
set -e
print("Hello, world!")