fix_theme.py

#!/usr/bin/env python3
"""Fix the theme issue in app.py"""

with open("app.py", "r", encoding="utf-8") as f:
    content = f.read()

old_line = 'with gr.Blocks(title="Warbler CDA - RAG System Demo", theme=gr.themes.Soft()) as demo:'
new_line = 'with gr.Blocks(title="Warbler CDA - RAG System Demo") as demo:'

content = content.replace(old_line, new_line)

with open("app.py", "w", encoding="utf-8") as f:
    f.write(content)

print("Fixed theme issue")