From 4c3008e25cfae1440552798c00b51c7a9ef91443 Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Fri, 6 Apr 2012 07:36:48 +0900
Subject: [PATCH] don't error when an image is dropped on itself

---
 aqt/editor.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/aqt/editor.py b/aqt/editor.py
index 9d0634f24..2de01868b 100644
--- a/aqt/editor.py
+++ b/aqt/editor.py
@@ -892,9 +892,11 @@ class EditorWebView(AnkiWebView):
         oldmime = evt.mimeData()
         # coming from this program?
         if evt.source():
-            assert oldmime.hasHtml()
-            mime = QMimeData()
-            mime.setHtml(self._filteredHTML(oldmime.html()))
+            if oldmime.hasHtml():
+                mime = QMimeData()
+                mime.setHtml(self._filteredHTML(oldmime.html()))
+            else:
+                mime = oldmime
         else:
             mime = self._processMime(oldmime)
         # create a new event with the new mime data