this is not needed

README

@@ -5,5 +5,7 @@ Also this uses curl rather than python to get the ranges.
 There is also no cache so the ranges may get redownloaded
 if you watch a video more than once.
 
+b toggles between on/off
+
 Here is a link to the original one:
 https://github.com/po5/mpv_sponsorblock

sponsorblock_minimal.lua

@@ -53,10 +53,7 @@ function file_loaded()
 	youtube_id = string.sub(youtube_id, 1, 11)
 
 	getranges()
-	if not ranges then
-		mp.unregister_event(file_loaded)
-		return
-	end
+	if not ranges then return end
 
 	ON = true
 	mp.add_key_binding("b","sponsorblock",toggle)