From 8c382e7e4f49e34eb190590353badb66a4e89554 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 15 Dec 2019 18:19:32 +0530
Subject: [PATCH] ...

---
 src/calibre/gui2/widgets.py | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/calibre/gui2/widgets.py b/src/calibre/gui2/widgets.py
index e0ae0d70d7..2e2690156a 100644
--- a/src/calibre/gui2/widgets.py
+++ b/src/calibre/gui2/widgets.py
@@ -871,13 +871,14 @@ class PythonHighlighter(QSyntaxHighlighter):  # {{{
                 ("error", "#FF0000", False, False),
                 ("pyqt", "#50621A", False, False)):
 
-            format = QTextCharFormat(baseFormat)
+            fmt = QTextCharFormat(baseFormat)
             if color is not None:
-                format.setForeground(QColor(color))
+                fmt.setForeground(QColor(color))
             if bold:
-                format.setFontWeight(QFont.Bold)
-            format.setFontItalic(italic)
-            cls.Formats[name] = format
+                fmt.setFontWeight(QFont.Bold)
+            if italic:
+                fmt.setFontItalic(italic)
+            cls.Formats[name] = fmt
 
     def highlightBlock(self, text):
         NORMAL, TRIPLESINGLE, TRIPLEDOUBLE, ERROR = range(4)