Update app.py

app.py

@@ -12,9 +12,6 @@ from datetime import datetime
 from reportlab.lib.pagesizes import A4
 from xhtml2pdf import pisa
 from bs4.element import Tag
-from selenium import webdriver
-from selenium.webdriver.chrome.options import Options
-from selenium.common.exceptions import WebDriverException
 
 # ============================================================================= Global Settings
 MAX_MESSAGE_LENGTH = 1048576
@@ -2954,6 +2951,10 @@ def validate_visual_html(html: str) -> bool:
     return all(checks)
 
 class ReportGenerator:
+    from selenium import webdriver
+    from selenium.webdriver.chrome.options import Options
+    from selenium.common.exceptions import WebDriverException
+    
     def __init__(self, render_with_selenium: bool = False):
         # Flag to determine if we are rendering the final PDF using Selenium
         self.render_with_selenium = render_with_selenium