From 005fae39c20fe8f72312abe547ff90327babd445 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 19 Oct 2022 20:48:54 +0530
Subject: [PATCH] pep8

---
 src/calibre/gui2/convert/regex_builder.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/gui2/convert/regex_builder.py b/src/calibre/gui2/convert/regex_builder.py
index a4ca4eaf11..8b7ac30296 100644
--- a/src/calibre/gui2/convert/regex_builder.py
+++ b/src/calibre/gui2/convert/regex_builder.py
@@ -4,7 +4,7 @@
 import os
 from contextlib import suppress
 from qt.core import (
-    QApplication, QBrush, QDialog, QDialogButtonBox, Qt, QTextCursor,
+    QBrush, QDialog, QDialogButtonBox, Qt, QTextCursor,
     QTextEdit, pyqtSignal
 )