diff --git a/api/core/workflow/nodes/document_extractor/node.py b/api/core/workflow/nodes/document_extractor/node.py
index 4f3bfdf24e..4d4d46c694 100644
--- a/api/core/workflow/nodes/document_extractor/node.py
+++ b/api/core/workflow/nodes/document_extractor/node.py
@@ -11,7 +11,7 @@ import docx
 import pandas as pd
 import pypandoc  # type: ignore
 import pypdfium2  # type: ignore
-import webvtt # type: ignore
+import webvtt  # type: ignore
 import yaml  # type: ignore
 from docx.document import Document
 from docx.oxml.table import CT_Tbl