this derivation will be built:
  /nix/store/5f67wqvxr46ivf902klpkcw46ilhcfw2-treefmt-check.drv
building '/nix/store/5f67wqvxr46ivf902klpkcw46ilhcfw2-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 199 files
treefmt-check> emitted 114 files for processing
treefmt-check> formatted 114 files (1 changed) in 4.596s
treefmt-check>  M packages/harvest-invoicer/tests/test_i18n.py
treefmt-check> diff --git a/packages/harvest-invoicer/tests/test_i18n.py b/packages/harvest-invoicer/tests/test_i18n.py
treefmt-check> index 1e106ef..e93ce6e 100644
treefmt-check> --- a/packages/harvest-invoicer/tests/test_i18n.py
treefmt-check> +++ b/packages/harvest-invoicer/tests/test_i18n.py
treefmt-check> @@ -121,7 +121,9 @@ def test_html_lang_attribute_matches_invoice_language() -> None:
treefmt-check>  def test_tax_id_label_map_localizes_per_language() -> None:
treefmt-check>      """A per-language tax_id_label map picks the entry for the invoice language."""
treefmt-check>      label_map = {"es": "Identificador fiscal", "en": "Tax reference"}
treefmt-check> -    es = render_html(_invoice(), _issuer(), _client(language="es", tax_id_label=label_map))
treefmt-check> +    es = render_html(
treefmt-check> +        _invoice(), _issuer(), _client(language="es", tax_id_label=label_map)
treefmt-check> +    )
treefmt-check>      assert "Identificador fiscal" in es
treefmt-check>      assert "Tax reference" not in es
treefmt-check>      # The Spanish override must NOT leak into an English invoice.
error: Cannot build '/nix/store/5f67wqvxr46ivf902klpkcw46ilhcfw2-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/8pm8z2qfy0rfzkig5d1hbsxrxfhh0gdz-treefmt-check
       Last 19 log lines:
       > treefmt v2.5.0traversed 199 files
       > emitted 114 files for processing
       > formatted 114 files (1 changed) in 4.596s
       >  M packages/harvest-invoicer/tests/test_i18n.py
       > diff --git a/packages/harvest-invoicer/tests/test_i18n.py b/packages/harvest-invoicer/tests/test_i18n.py
       > index 1e106ef..e93ce6e 100644
       > --- a/packages/harvest-invoicer/tests/test_i18n.py
       > +++ b/packages/harvest-invoicer/tests/test_i18n.py
       > @@ -121,7 +121,9 @@ def test_html_lang_attribute_matches_invoice_language() -> None:
       >  def test_tax_id_label_map_localizes_per_language() -> None:
       >      """A per-language tax_id_label map picks the entry for the invoice language."""
       >      label_map = {"es": "Identificador fiscal", "en": "Tax reference"}
       > -    es = render_html(_invoice(), _issuer(), _client(language="es", tax_id_label=label_map))
       > +    es = render_html(
       > +        _invoice(), _issuer(), _client(language="es", tax_id_label=label_map)
       > +    )
       >      assert "Identificador fiscal" in es
       >      assert "Tax reference" not in es
       >      # The Spanish override must NOT leak into an English invoice.
       For full logs, run:
         nix log /nix/store/5f67wqvxr46ivf902klpkcw46ilhcfw2-treefmt-check.drv