From df53a5d8c97fe6790f75ed1d9e073b5f614dfc01 Mon Sep 17 00:00:00 2001
From: Ozzie Isaacs <ozzie.fernandez.isaacs@googlemail.com>
Date: Wed, 13 Apr 2022 18:37:23 +0200
Subject: [PATCH] Prevent none comment while upload pdf documents

---
 cps/uploader.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cps/uploader.py b/cps/uploader.py
index 992d188c..6aa811be 100644
--- a/cps/uploader.py
+++ b/cps/uploader.py
@@ -231,7 +231,7 @@ def pdf_meta(tmp_file_path, original_file_name, original_file_extension):
         if title == '':
             title = doc_info.title if doc_info.title else original_file_name
         if subject == '':
-            subject = doc_info.subject
+            subject = doc_info.subject or ""
         if tags == '' and '/Keywords' in doc_info:
             if isinstance(doc_info['/Keywords'], bytes):
                 tags = doc_info['/Keywords'].decode('utf-8')