diff --git a/packages/markitdown/src/markitdown/converters/_pptx_converter.py b/packages/markitdown/src/markitdown/converters/_pptx_converter.py
index a29c452..bcde6c9 100644
--- a/packages/markitdown/src/markitdown/converters/_pptx_converter.py
+++ b/packages/markitdown/src/markitdown/converters/_pptx_converter.py
@@ -6,6 +6,7 @@ import re
 import html
 
 from typing import BinaryIO, Any
+from operator import attrgetter
 
 from ._html_converter import HtmlConverter
 from ._llm_caption import llm_caption