Update app.py

app.py

@@ -1,21 +1,22 @@
 import gradio as gr
 from gtts import gTTS
-from tempfile import NamedTemporaryFile
+import tempfile
+import os
 
-def text_to_speech(text, language):
+def text_to_speech(text, language='en'):
     tts = gTTS(text, lang=language)
-    with NamedTemporaryFile(suffix=".mp3", delete=False) as audio_file:
-        tts.save(audio_file.name)
-        return audio_file.name
+    with tempfile.NamedTemporaryFile(suffix='.mp3', delete=False) as fp:
+        tts.save(fp.name)
+        return fp.name
 
 # Gradio 인터페이스를 생성합니다.
 iface = gr.Interface(
     fn=text_to_speech, 
     inputs=[
         gr.Textbox(lines=2, placeholder="Enter text for speech generation"), 
-        gr.Dropdown(label="Language", choices=["en", "es", "de", "fr"])
+        gr.Dropdown(label="Language", choices=["en", "es", "de", "fr"]),
     ], 
-    outputs=gr.Audio(type="file", label="Generated Speech"),
+    outputs=gr.Audio(type="filepath", label="Generated Speech"),
 )
 
 # 인터페이스를 실행합니다.