Merge branch 'release/V2.4.2'

ccs_base/models/fetch_mail.py

@@ -136,7 +136,7 @@ class FetchmailServer(models.Model):
                                             filename, encoding = decode_header(filename)[0]
                                             if isinstance(filename, bytes):
                                                 filename = filename.decode(encoding if encoding else "utf-8")
-                                                attachment_arr.append((filename, part.get_payload(decode=True)))
+                                            attachment_arr.append((filename, part.get_payload(decode=True)))
                             for part in msg.walk():
                                 # 如果ture的话内容是没用的
                                 if not part.is_multipart():