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| -rw-r--r-- | synapse/rest/media/v1/preview_url_resource.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index e1212313e1..64ad218f70 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -334,6 +334,7 @@ class PreviewUrlResource(Resource): # We don't just use XPATH here as that is slow on some machines. + # We clone `tree` as we modify it. cloned_tree = deepcopy(tree.find("body")) TAGS_TO_REMOVE = ("header", "nav", "aside", "footer", "script", "style",) |