diff --git a/src/markitdown/_markitdown.py b/src/markitdown/_markitdown.py
index dcdf129..b2037aa 100644
--- a/src/markitdown/_markitdown.py
+++ b/src/markitdown/_markitdown.py
@@ -757,9 +757,8 @@ class DocxConverter(HtmlConverter):
             )
         )
         self._xsl_folder = os.path.join(
-                os.path.dirname(
-                  os.path.dirname(os.path.abspath(__file__))),
-                'xsl',
+            os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
+            "xsl",
         )
         self._mml_to_tex_xsl = os.path.join(self._xsl_folder, "mmltex.xsl")
         self._omml_to_mml_xsl = os.path.join(self._xsl_folder, "omml2mml.xsl")
diff --git a/tests/test_markitdown.py b/tests/test_markitdown.py
index 300ced3..3d80edb 100644
--- a/tests/test_markitdown.py
+++ b/tests/test_markitdown.py
@@ -272,10 +272,6 @@ def test_markitdown_local() -> None:
     assert "# Test" in result.text_content
 
 
-
-
-
-
 @pytest.mark.skipif(
     skip_exiftool,
     reason="do not run if exiftool is not installed",
@@ -362,10 +358,11 @@ def test_markitdown_llm() -> None:
     for test_string in ["red", "circle", "blue", "square"]:
         assert test_string in result.text_content.lower()
 
+
 def test_equation() -> None:
-    expected_string = r'${\left(x+a\right)}^{n}={\sum }\_{k=0}^{n}\left(\begin{array}{c}n\\ k\end{array}\right){x}^{k}{a}^{n-k}$'
+    expected_string = r"${\left(x+a\right)}^{n}={\sum }\_{k=0}^{n}\left(\begin{array}{c}n\\ k\end{array}\right){x}^{k}{a}^{n-k}$"
     markitdown = MarkItDown()
-    result = markitdown.convert( os.path.join(TEST_FILES_DIR, "equation.docx"))
+    result = markitdown.convert(os.path.join(TEST_FILES_DIR, "equation.docx"))
     assert expected_string == result.text_content.strip()