Update app.py

app.py

@@ -15,7 +15,7 @@ tts_demo = gr.Interface.load(
 emotion_model_checkpoint = "MuntasirHossain/RoBERTa-base-finetuned-emotion"
 emotion_model = pipeline("text-classification", model=emotion_model_checkpoint)
 
-def classify_emotion_and_speech(text):
+def classify_emotion_and_speech(text=""):
     # Emotion classification
     emotion_label = emotion_model(text)[0]["label"]
 
@@ -61,7 +61,7 @@ combined_demo = gr.Interface(
     inputs="textbox",
     outputs=["text", "audio"],
     title=emotion_title,
-    theme=theme,  # Include the theme here
+    theme=theme,
     description=emotion_description,
     examples=emotion_examples,
 )