add blank line

LamentXU123 · web-flow · commit 7f71d2396013 · 2025-10-12T18:16:54.000+08:00
diff --git a/Doc/library/smtplib.rst b/Doc/library/smtplib.rst
@@ -573,6 +573,8 @@ here.  For details, consult the module code.
 
    A dictionary of the names of SMTP service extensions supported by the server,
    see :meth:`ehlo`.
+
+
 .. _smtp-example:
 
 SMTP Example
