Update analytics_dashboard.py

analytics_dashboard.py

@@ -4,6 +4,7 @@ import matplotlib.pyplot as plt
 import json
 from io import BytesIO
 from datetime import datetime
+from PIL import Image, ImageDraw
 
 def load_usage_data():
     """load usage_log.json file to be DataFrame"""
@@ -46,9 +47,14 @@ def create_analytics_tab():
     def generate_plot():
         df = load_usage_data()
         if df is None or df.empty:
-            return "No usage data available."
+            img = Image.new("RGB", (600, 200), color=(255, 255, 255))
+            draw = ImageDraw.Draw(img)
+            draw.text((20, 80), "No usage data available.", fill=(0, 0, 0))
+            return img
+    
         return plot_daily_usage(df)
 
+
     with gr.Tab("\ud83d\udcca Usage Analytics"):
         gr.Markdown("### Daily Usage Trend of PawMatch AI")
         with gr.Row():