Update app.py

app.py

@@ -1,6 +1,10 @@
 # ============================================================
 # Medical / Mental Health Information Theme (WHITE FIXED)
 # ============================================================
+import os
+import pandas as pd
+import gradio as gr
+import plotly.graph_objects as go
 
 DARK_BG     = "#ffffff"   # FIXED: white background
 CARD_BG     = "#ffffff"   # FIXED: white cards