From fa5af20ba76f37c7153099a3194c16cf72dca68f Mon Sep 17 00:00:00 2001
From: "Achraf (abz)" <abz@odoo.com>
Date: Thu, 24 Dec 2020 15:07:26 +0000
Subject: [PATCH] [FIX] odoo_tools/mail.py: Crash at html2plaintext if no tree

What are the steps to reproduce your issue ?

    1. Install website_blog
    2. Go to website and add a new blog post
    3. Remove the block content
    4. Save and go to Blog page

What is currently happening ?

    Crash:
    Template fallback
    An error occured while rendering the template website_blog.post_teaser

opw-241937

closes odoo/odoo#63844

X-original-commit: d9097c2b6244154ea64142b5e8fd31cfdd34e66e
Signed-off-by: Achraf <abz-odoo@users.noreply.github.com>
---
 odoo/tools/mail.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/odoo/tools/mail.py b/odoo/tools/mail.py
index c98a575f10a..026976e112b 100644
--- a/odoo/tools/mail.py
+++ b/odoo/tools/mail.py
@@ -304,7 +304,7 @@ def html2plaintext(html, body_id=None, encoding='utf-8'):
 
     html = ustr(html)
 
-    if not html:
+    if not html.strip():
         return ''
 
     tree = etree.fromstring(html, parser=etree.HTMLParser())