Update app.py

app.py

@@ -7,6 +7,23 @@ import dash_bootstrap_components as dbc
 import threading
 import time
 import pypandoc
+import os
+
+# Check if pandoc is installed
+try:
+    pypandoc.get_pandoc_version()
+except OSError:
+    # If not found, attempt to download and install
+    print("Pandoc not found. Attempting to download...")
+    pypandoc.download_pandoc()
+    
+    # Verify installation
+    try:
+        pypandoc.get_pandoc_version()
+        print("Pandoc successfully installed.")
+    except OSError:
+        print("Failed to install Pandoc. Please install it manually.")
+        exit(1)
 
 app = Dash(__name__, external_stylesheets=[dbc.themes.BOOTSTRAP])