From efec6da377f1c7f43c8b854525f567e8a6efb6a0 Mon Sep 17 00:00:00 2001
From: "James R. Barlow" <jim@purplerock.ca>
Date: Mon, 29 Oct 2018 02:02:00 -0700
Subject: [PATCH] Fix error on serializing bad character markers

(Since they held a reference to their font, which in turn, had an
open file handle.)
---
 src/ocrmypdf/pdfinfo/layout.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ocrmypdf/pdfinfo/layout.py b/src/ocrmypdf/pdfinfo/layout.py
index 861eee5e..90c8c627 100644
--- a/src/ocrmypdf/pdfinfo/layout.py
+++ b/src/ocrmypdf/pdfinfo/layout.py
@@ -121,7 +121,7 @@ class TextPositionTracker(PDFLayoutAnalyzer):
 
     def handle_undefined_char(self, font, cid):
         #log.info('undefined: %r, %r', font, cid)
-        return (font, cid)
+        return (font.fontname, cid)
 
     def receive_layout(self, ltpage):
         self.result = ltpage