Update app.py

app.py

@@ -5,7 +5,10 @@ import os
 import io
 import base64
 from typing import Dict, List, Tuple
-
+import sys
+if '/usr/local/lib/python3.10/site-packages' not in sys.path:
+    # Add common site-packages path if not present (sometimes necessary in Docker builds)
+    sys.path.append('/usr/local/lib/python3.10/site-packages')
 # Fix: Ensure fpdf2 is imported correctly after dependency install
 from fpdf2 import FPDF