Update TaiwaneseHokkien.py

TaiwaneseHokkien.py

@@ -4,9 +4,9 @@ from transformers import pipeline
 model_repo_id = "emlinking/wav2vec2-large-xls-r-300m-tsm-asr-v6" 
 util = Converter() 
 def get_initial_length(s):
-    if s[2] == 'h':
+    if len(s) >= 3 and s[2] == 'h':
         return 3
-    elif s[1] in ['s', 'h']:
+    elif len(s) >= 2 and s[1] in ['s', 'h']:
         return 2
     else:
         return 1