diff --git a/packages/markitdown/src/markitdown/converters/_xlsx_converter.py b/packages/markitdown/src/markitdown/converters/_xlsx_converter.py
index a020b11..0ddff7c 100644
--- a/packages/markitdown/src/markitdown/converters/_xlsx_converter.py
+++ b/packages/markitdown/src/markitdown/converters/_xlsx_converter.py
@@ -127,7 +127,9 @@ class XlsxConverter(ExcelConverterBase):
                     extension=".xlsx",
                     feature="xlsx",
                 )
-            ) from _xlsx_dependency_exc_info[1].with_traceback(  # type: ignore[union-attr]
+            ) from _xlsx_dependency_exc_info[
+                1
+            ].with_traceback(  # type: ignore[union-attr]
                 _xlsx_dependency_exc_info[2]
             )
 
@@ -176,7 +178,9 @@ class XlsConverter(ExcelConverterBase):
                     extension=".xls",
                     feature="xls",
                 )
-            ) from _xls_dependency_exc_info[1].with_traceback(  # type: ignore[union-attr]
+            ) from _xls_dependency_exc_info[
+                1
+            ].with_traceback(  # type: ignore[union-attr]
                 _xls_dependency_exc_info[2]
             )