Update subgen.py

subgen.py

@@ -780,13 +780,16 @@ def get_jellyfin_admin(users):
 
 def has_audio(file_path):
     try:
-        with av.open(file_path) as container:
         if has_image_extension(file_path):
+            logging.debug("{file_path} is an image, skipping processing")
             return False
+        with av.open(file_path) as container:
             return any(stream.type == 'audio' for stream in container.streams)
     except (av.AVError, UnicodeDecodeError):
         return False
 
+
+
 def path_mapping(fullpath):
     if use_path_mapping:
         logging.debug("Updated path: " + fullpath.replace(path_mapping_from, path_mapping_to))