Update app.py

app.py

@@ -122,6 +122,7 @@ def generate_pdf(report_html):
     pdf.add_page()
 
     # Add a custom font (download a TTF font that supports Unicode characters and emojis)
+    # Here, 'Arial Unicode MS' is used as an example, but you can use any font supporting emojis
     # Make sure to have the TTF file in your project and pass it as an argument to add_font
     try:
         pdf.add_font('ArialUnicode', '', '/path/to/ArialUnicodeMS.ttf', uni=True)