Den 431 Fix imports in benchmark (#76)

Author: charlesmaddock

dendrite/async_api/_core/_utils.py

@@ -40,7 +40,12 @@ async def expand_iframes(
             new_iframe_path = f"{iframe_path}|"
         new_iframe_path = f"{new_iframe_path}{iframe_id}"
 
-        content_frame = await iframe.content_frame()
+        try:
+            content_frame = await iframe.content_frame()
+        except Exception as e:
+            logger.debug(f"Error getting content frame for iframe {iframe_id}: {e}")
+            continue
+
         if content_frame is None:
             continue