diff --git a/tests/test_renderer.py b/tests/test_renderer.py
index ae2d2674..853efb8b 100644
--- a/tests/test_renderer.py
+++ b/tests/test_renderer.py
@@ -767,9 +767,10 @@ def test_render_pngs_from_pdf_nonexistent_pdf_file():
     with pytest.raises(FileNotFoundError):
         renderer.render_pngs_from_pdf(file_path)
 
+
 def test_render_pdf_invalid_latex_file(tmp_path):
     latex_file_path = tmp_path / "invalid_latex_file.tex"
     latex_file_path.write_text("Invalid LaTeX code")
 
     with pytest.raises(RuntimeError):
-        renderer.render_a_pdf_from_latex(latex_file_path)
\ No newline at end of file
+        renderer.render_a_pdf_from_latex(latex_file_path)