fix typos

model.py

@@ -121,9 +121,9 @@ def _get_vits_ljs(repo_id: str, speed: float) -> sherpa_onnx.OfflineTts:
 
 @lru_cache(maxsize=10)
 def _get_kokoro(repo_id: str, speed: float) -> sherpa_onnx.OfflineTts:
-    assert repo_id in ("csukuangfj/kokoro-en-v0_19",)
     data_dir = "/tmp/espeak-ng-data"
     repo_id = repo_id.split("|")[0]
+    assert repo_id in ("csukuangfj/kokoro-en-v0_19",), repo_id
 
     model = get_file(
         repo_id=repo_id,