From 0d6d08667184ec8bafb352d822b75462efb162bf Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Thu, 18 Mar 2021 17:03:16 +0100
Subject: widgets/thread: disregard whitespace-only alternatives

---
 alot/widgets/thread.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/alot/widgets/thread.py b/alot/widgets/thread.py
index 90eeabdf..111c8569 100644
--- a/alot/widgets/thread.py
+++ b/alot/widgets/thread.py
@@ -525,7 +525,7 @@ def _render_mime_tree(mime_tree, alternative_pref, force_inline_types):
     # try rendering the message
     text = mime_tree.render_str()
     if text is not None:
-        return _TextPart(text, mime_tree) if len(text) else _EmptyPartWidget()
+        return _TextPart(text, mime_tree) if len(text.strip()) else _EmptyPartWidget()
 
     body_wgt =  urwid.Text('Undisplayable "%s" MIME part.' % mime_tree.content_type,
                            align = 'center')
-- 
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