fix typos

model.py

@@ -235,9 +235,7 @@ def _get_vits_zh_aishell3(repo_id: str, speed: float) -> sherpa_onnx.OfflineTts:
 
 
 @lru_cache(maxsize=10)
-def _get_mOfflineTtsMatchaModelConfigatcha_hf(
-    repo_id: str, speed: float
-) -> sherpa_onnx.OfflineTts:
+def _get_matcha_hf(repo_id: str, speed: float) -> sherpa_onnx.OfflineTts:
     repo_id = repo_id.split("|")[0]
     assert repo_id in ("csukuangfj/matcha-icefall-zh-baker",)