fix: don't show playlists in related videos feed

items in related feed are now checked by contentType to determine if
they are videos or not

ythdd_inv_tl.py

@@ -212,8 +212,7 @@ def videos(data):
 				y = safeTraverse(entry, ['lockupViewModel'])
 				if not isinstance(y, dict):
 					continue
-				is_mix_or_playlist = safeTraverse(entry, ["lockupViewModel", "contentImage", "collectionThumbnailViewModel", "primaryThumbnail", "thumbnailViewModel", "overlays", 0, "thumbnailOverlayBadgeViewModel", "thumbnailBadges", 0, "thumbnailBadgeViewModel", "icon", "sources", 0, "clientResource", "imageName"], default="") in ("MIX", "PLAYLISTS")
-				if is_mix_or_playlist:
+				if safeTraverse(y, ["contentType"], default="LOCKUP_CONTENT_TYPE_VIDEO") != "LOCKUP_CONTENT_TYPE_VIDEO":
 					# neither mixes nor playlists are currently supported by the invidious api
 					continue
 				# note: this model is similar, but not identical to the one in ythdd_struct_parser. perhaps they can be both handled in the struct parser some time.

ythdd_struct_parser.py

@@ -530,7 +530,7 @@ def parseFormatStreams(wdata_fstream: dict, ydata_stream: dict) -> dict:
 
 	fstream = {
 		"url": stream_url,
-		"itag": wdata_fstream["itag"],
+		"itag": str(wdata_fstream["itag"]),
 		"type": wdata_fstream["mimeType"],
 		"quality": wdata_fstream["quality"],
 		"bitrate": str(wdata_fstream["bitrate"]),