Update inference_webui.py

inference_webui.py

@@ -479,7 +479,7 @@ def get_tts_wav(
     )
     if not ref_free:
         with torch.no_grad():
-             wav16k, sr = torchaudio.load(url_ref_wav)
+            wav16k, sr = torchaudio.load(url_ref_wav)
             wav16k=wav16k.to(device)
             if wav16k.shape[0] == 2:
                 wav16k = wav16k.mean(0).unsqueeze(0)