changed model function call

app.py

@@ -2,6 +2,7 @@ import torch
 import os
 import streamlit as st
 from TTS.api import TTS
+from tempfile import NamedTemporaryFile
 
 # By using XTTS you agree to CPML license https://coqui.ai/cpml
 os.environ["COQUI_TOS_AGREED"] = "1"
@@ -12,7 +13,11 @@ def generate_audio(audio_file, text_input):
   device = 'cuda' if torch.cuda.is_available() else 'cpu'
   tts = TTS(model).to(device)
 
-  return tts.tts_to_file(text=text_input, speaker_wav=audio_file, language='en')
+  with NamedTemporaryFile(delete=False, suffix='.wav') as tmp_file:
+    output_path = tmp_file.name
+    tts.tts_to_file(text=text_input, speaker_wav=audio_file, language='en', file_path=output_path)
+
+  return output_path
 
 def main():
   # Title
@@ -29,18 +34,21 @@ def main():
   # Input text 
   text_input = st.text_input('Enter the text to synthesize')
 
-  if uploaded_file is not None and text_input is not "":
-    if st.button('Synthesize'):
-      with st.spinner('Synthesizing...'):
-        output_audio = generate_audio(uploaded_file, text_input)
-
-      col1, col2 = st.columns(2)
-      with col1:
-        st.header('Reference Audio')
-        st.audio(uploaded_file, format='audio/wav')
-      with col2:
-        st.header('Synthesized Audio')
-        st.audio(output_audio, format='audio/wav')
+  if uploaded_file is not None:
+    if text_input:
+      if st.button('Synthesize'):
+        with st.spinner('Synthesizing...'):
+          output_path = generate_audio(uploaded_file, text_input)
+
+        col1, col2 = st.columns(2)
+        with col1:
+          st.header('Reference Audio')
+          st.audio(uploaded_file, format='audio/wav')
+        with col2:
+          st.header('Synthesized Audio')
+          st.audio(output_path, format='audio/wav')
+    else:
+      st.error('Please provide a text input!')
 
 if __name__ == '__main__':
   main()