diff --git a/tests/test_code_formula.py b/tests/test_code_formula.py
index 2f3d1925..70bd90e4 100644
--- a/tests/test_code_formula.py
+++ b/tests/test_code_formula.py
@@ -48,9 +48,9 @@ def test_code_and_formula_conversion():
     code_blocks = [el for el in results if isinstance(el, CodeItem)]
     assert len(code_blocks) == 1
 
-    gt = 'function add(a, b) {\n    return a + b;\n}\nconsole.log(add(3, 5));'
+    gt = "function add(a, b) {\n    return a + b;\n}\nconsole.log(add(3, 5));"
 
-    predicted = code_blocks[0].text.strip() 
+    predicted = code_blocks[0].text.strip()
     assert predicted == gt, f"mismatch in text {predicted=}, {gt=}"
     assert code_blocks[0].code_language == CodeLanguageLabel.JAVASCRIPT