filter meta data

stream.py

@@ -206,12 +206,12 @@ class UpstreamHandler():
                 data_new["og:video:width"] = data_raw.get("width")
                 data_new["og:image:height"] = data_raw.get("thumbnail_height")
                 data_new["og:image:width"] = data_raw.get("thumbnail_width")
-                for elem in data_new.values():
-                    if not isinstance(elem, str):
-                        data_valid = False
-                        break
-                if data_valid:
-                    data = list(data_new.items())
+                data_filtered = {}
+                for key in data_new:
+                    value = data_new.get(key)
+                    if isinstance(value, str):
+                        data_filtered[key] = value
+                data = list(data_filtered.items())
         except Exception as e:
             logger.info(e)
         logger.info(data)