From 73101163f901d0a0f952b75949106bcd5040ef8e Mon Sep 17 00:00:00 2001
From: lmxue <xueliumeng@gmail.com>
Date: Sat, 17 Feb 2024 09:22:52 +0800
Subject: [PATCH] refine multilingual functionality

---
 text/g2p_module.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/text/g2p_module.py b/text/g2p_module.py
index 98580812..5957291b 100644
--- a/text/g2p_module.py
+++ b/text/g2p_module.py
@@ -147,6 +147,8 @@ def _initialize_backend(
                 words_mismatch=words_mismatch,
             )
         elif backend in ["pypinyin", "pypinyin_initials_finals"]:
+            if language != "cmn":
+                raise ValueError(f"{language} is not supported for pypinyin and pypinyin_initials_finals.")
             return PypinyinBackend(
                 backend=backend,
                 punctuation_marks=punctuation_marks + self.separator.word,