this derivation will be built:
  /nix/store/yjwrykkvr80ljgipl1a4khv5w04l6ii2-treefmt-check.drv
building '/nix/store/yjwrykkvr80ljgipl1a4khv5w04l6ii2-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 493 files
treefmt-check> emitted 345 files for processing
treefmt-check> formatted 345 files (1 changed) in 1.054s
treefmt-check>  M checks/spaces-integrations-app-form/driver.py
treefmt-check> diff --git a/checks/spaces-integrations-app-form/driver.py b/checks/spaces-integrations-app-form/driver.py
treefmt-check> index 1e2aee7..b7b9f8e 100755
treefmt-check> --- a/checks/spaces-integrations-app-form/driver.py
treefmt-check> +++ b/checks/spaces-integrations-app-form/driver.py
treefmt-check> @@ -39,12 +39,16 @@ def main() -> None:
treefmt-check>  
treefmt-check>      broker = spawn(
treefmt-check>          [sys.executable, os.path.join(test_dir, "fake_broker.py"), sock_path],
treefmt-check> -        work_dir, "broker.log", env=env,
treefmt-check> +        work_dir,
treefmt-check> +        "broker.log",
treefmt-check> +        env=env,
treefmt-check>      )
treefmt-check>      if not wait_for_path(sock_path, timeout_s=10):
treefmt-check>          fail(f"fake broker never bound {sock_path} (exit={broker.poll()})")
treefmt-check>  
treefmt-check> -    qs = Quickshell(qs_bin, shell_qml, env, work_dir, ipc_target="test:integrations-form")
treefmt-check> +    qs = Quickshell(
treefmt-check> +        qs_bin, shell_qml, env, work_dir, ipc_target="test:integrations-form"
treefmt-check> +    )
treefmt-check>      qs.start()
treefmt-check>  
treefmt-check>      def die(msg):
treefmt-check> @@ -94,10 +98,16 @@ def main() -> None:
treefmt-check>          # this is what the window-level form cache guarantees.
treefmt-check>          ipc("winRefresh", "mail")
treefmt-check>          time.sleep(0.3)
treefmt-check> -        for f, v in (("email", "me@x.com"), ("imap_host", "imap.x.com"), ("smtp_host", "smtp.x.com")):
treefmt-check> +        for f, v in (
treefmt-check> +            ("email", "me@x.com"),
treefmt-check> +            ("imap_host", "imap.x.com"),
treefmt-check> +            ("smtp_host", "smtp.x.com"),
treefmt-check> +        ):
treefmt-check>              got = ipc("getValue", "mail", "__new__", f)
treefmt-check>              if got != v:
treefmt-check> -                die(f"a re-list dropped in-progress field {f!r}: got {got!r}, want {v!r}")
treefmt-check> +                die(
treefmt-check> +                    f"a re-list dropped in-progress field {f!r}: got {got!r}, want {v!r}"
treefmt-check> +                )
treefmt-check>  
treefmt-check>          ipc("setValue", "mail", "__new__", "password", "hunter2")
treefmt-check>          if ipc("formDirty", "mail", "__new__") != "true":
treefmt-check> @@ -105,13 +115,19 @@ def main() -> None:
treefmt-check>  
treefmt-check>          # One Save writes the whole form.
treefmt-check>          if ipc("click", "profileSave-mail-work") != "clicked":
treefmt-check> -            die(f"profile Save button not clickable: {ipc('click', 'profileSave-mail-work')!r}")
treefmt-check> +            die(
treefmt-check> +                f"profile Save button not clickable: {ipc('click', 'profileSave-mail-work')!r}"
treefmt-check> +            )
treefmt-check>  
treefmt-check>          if not wait_until(lambda: prof("work") is not None, timeout_s=15):
treefmt-check>              die(f"profile 'work' never appeared after Save: {mail()!r}")
treefmt-check>          p = prof("work")
treefmt-check>          cfg = p.get("config", {})
treefmt-check> -        if cfg.get("email") != "me@x.com" or cfg.get("imap_host") != "imap.x.com" or cfg.get("smtp_host") != "smtp.x.com":
treefmt-check> +        if (
treefmt-check> +            cfg.get("email") != "me@x.com"
treefmt-check> +            or cfg.get("imap_host") != "imap.x.com"
treefmt-check> +            or cfg.get("smtp_host") != "smtp.x.com"
treefmt-check> +        ):
treefmt-check>              die(f"config fields lost on Save (the regression): {p!r}")
treefmt-check>          if p.get("secrets", {}).get("password") is not True:
treefmt-check>              die(f"password secret not set after Save: {p!r}")
error: Cannot build '/nix/store/yjwrykkvr80ljgipl1a4khv5w04l6ii2-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/dpfpalmd2lw85c7q4444n2jlavl8hp2d-treefmt-check
       Last 25 log lines:
       >  
       >          ipc("setValue", "mail", "__new__", "password", "hunter2")
       >          if ipc("formDirty", "mail", "__new__") != "true":
       > @@ -105,13 +115,19 @@ def main() -> None:
       >  
       >          # One Save writes the whole form.
       >          if ipc("click", "profileSave-mail-work") != "clicked":
       > -            die(f"profile Save button not clickable: {ipc('click', 'profileSave-mail-work')!r}")
       > +            die(
       > +                f"profile Save button not clickable: {ipc('click', 'profileSave-mail-work')!r}"
       > +            )
       >  
       >          if not wait_until(lambda: prof("work") is not None, timeout_s=15):
       >              die(f"profile 'work' never appeared after Save: {mail()!r}")
       >          p = prof("work")
       >          cfg = p.get("config", {})
       > -        if cfg.get("email") != "me@x.com" or cfg.get("imap_host") != "imap.x.com" or cfg.get("smtp_host") != "smtp.x.com":
       > +        if (
       > +            cfg.get("email") != "me@x.com"
       > +            or cfg.get("imap_host") != "imap.x.com"
       > +            or cfg.get("smtp_host") != "smtp.x.com"
       > +        ):
       >              die(f"config fields lost on Save (the regression): {p!r}")
       >          if p.get("secrets", {}).get("password") is not True:
       >              die(f"password secret not set after Save: {p!r}")
       For full logs, run:
         nix log /nix/store/yjwrykkvr80ljgipl1a4khv5w04l6ii2-treefmt-check.drv