From 7590c7db7acf884b16e17e17da6db162d71ea2b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eren=20G=C3=B6lge?= <egolge@coqui.ai>
Date: Mon, 12 Jul 2021 12:31:05 +0200
Subject: [PATCH] Fix `base_tacotron` `aux_input` handling

---
 TTS/tts/models/base_tacotron.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/TTS/tts/models/base_tacotron.py b/TTS/tts/models/base_tacotron.py
index 66842305..01291775 100644
--- a/TTS/tts/models/base_tacotron.py
+++ b/TTS/tts/models/base_tacotron.py
@@ -78,7 +78,9 @@ class BaseTacotron(BaseTTS):
 
     @staticmethod
     def _format_aux_input(aux_input: Dict) -> Dict:
-        return format_aux_input({"d_vectors": None, "speaker_ids": None}, aux_input)
+        if aux_input:
+            return format_aux_input({"d_vectors": None, "speaker_ids": None}, aux_input)
+        return None
 
     #############################
     # INIT FUNCTIONS