Convert embeds to np array
diff --git a/synthesizer/synthesizer_dataset.py b/synthesizer/synthesizer_dataset.py
index 9d552d16d..36fcaf4dd 100644
--- a/synthesizer/synthesizer_dataset.py
+++ b/synthesizer/synthesizer_dataset.py
@@ -72,7 +72,7 @@ def collate_synthesizer(batch, r, hparams):
     mel = np.stack(mel)
 
     # Speaker embedding (SV2TTS)
-    embeds = [x[2] for x in batch]
+    embeds = np.array([x[2] for x in batch])
 
     # Index (for vocoder preprocessing)
     indices = [x[3] for x in batch]

To remove the warning that appears while training