Update app.py

app.py

@@ -210,7 +210,7 @@ def generate_download_content():
 
 apple = "The quick brown fox jumps over the lazy cat."
 textbox_input = gr.inputs.Textbox(default=apple)
-tts_interface = gr.interface.load("huggingface/facebook/fastspeech2-en-ljspeech",
+tts_interface = gr.Interface.load("huggingface/facebook/fastspeech2-en-ljspeech",
                 inputs=textbox_input,
                 description="TTS using FastSpeech2",
                 title="Text to Speech (TTS)",