preview_url_resource: Ellipsis must be in unicode string

Signed-off-by: Johannes Löthberg <johannes@kyriasis.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py

index 33f35fb44e..6a5a57102f 100644
--- a/synapse/rest/media/v1/preview_url_resource.py
+++ b/synapse/rest/media/v1/preview_url_resource.py
@@ -543,5 +543,5 @@ def summarize_paragraphs(text_nodes, min_size=200, max_size=500):
 
         # We always add an ellipsis because at the very least
         # we chopped mid paragraph.
-        description = new_desc.strip() + "…"
+        description = new_desc.strip() + u"…"
     return description if description else None