Update comment and add a warning

TTS/trainer.py

@@ -205,7 +205,7 @@ class Trainer:
             # load data for `tts` models
             self.data_train, self.data_eval = load_meta_data(self.config.datasets)
         elif self.config.feature_path is not None:
-            # load data for `vocoder`models
+            # load pre-comnputed features for `vocoder`models
             print(f" > Loading features from: {self.config.feature_path}")
             self.data_eval, self.data_train = load_wav_feat_data(
                 self.config.data_path, self.config.feature_path, self.config.eval_split_size

TTS/vocoder/datasets/preprocess.py

@@ -59,7 +59,7 @@ def load_wav_feat_data(data_path, feat_path, eval_split_size):
     wav_paths.sort(key=lambda x: Path(x).stem)
     feat_paths.sort(key=lambda x: Path(x).stem)
 
-    assert len(wav_paths) == len(feat_paths)
+    assert len(wav_paths) == len(feat_paths), f" [!] {len(wav_paths)} vs {feat_paths}"
     for wav, feat in zip(wav_paths, feat_paths):
         wav_name = Path(wav).stem
         feat_name = Path(feat).stem