diff --git a/pilot/embedding_engine/docx_loader.py b/pilot/embedding_engine/docx_loader.py
index 50d1a6b45..458254b66 100644
--- a/pilot/embedding_engine/docx_loader.py
+++ b/pilot/embedding_engine/docx_loader.py
@@ -22,5 +22,7 @@ class DocxLoader(BaseLoader):
             para = doc.paragraphs[i]
             text = para.text
             content.append(text)
-        docs.append(Document(page_content=''.join(content), metadata={"source": self.file_path}))
+        docs.append(
+            Document(page_content="".join(content), metadata={"source": self.file_path})
+        )
         return docs
diff --git a/pilot/embedding_engine/ppt_loader.py b/pilot/embedding_engine/ppt_loader.py
index b3d970291..04f5e5c93 100644
--- a/pilot/embedding_engine/ppt_loader.py
+++ b/pilot/embedding_engine/ppt_loader.py
@@ -20,5 +20,9 @@ class PPTLoader(BaseLoader):
         for slide in pr.slides:
             for shape in slide.shapes:
                 if hasattr(shape, "text") and shape.text is not "":
-                    docs.append(Document(page_content=shape.text, metadata={"source": slide.slide_id}))
+                    docs.append(
+                        Document(
+                            page_content=shape.text, metadata={"source": slide.slide_id}
+                        )
+                    )
         return docs