Update app.py

app.py

@@ -65,9 +65,9 @@ from google.cloud import storage, exceptions  # Import exceptions for error hand
 from google.cloud.exceptions import NotFound
 from google.oauth2 import service_account
 
-from reportlab.lib.pagesizes import letter
 from reportlab.pdfgen import canvas
-from reportlab.pdfbase.ttfonts import TTFont
+from reportlab.lib.pagesizes import letter
+from reportlab import pdfmetrics
 from reportlab.lib import colors
 
 import logging
@@ -405,11 +405,11 @@ def generate_document(task_description, md_content, user_name='jayw', bucket_nam
     try:
         # Register the Simplified Chinese font
         sc_font = TTFont('NotoSansSC', sc_font_path)
-        c.ttfonts.addRegisteredFont('NotoSansSC', sc_font)
+        pdfmetrics.registerFont(sc_font)
 
         # Register the Traditional Chinese font
         tc_font = TTFont('NotoSansTC', tc_font_path)
-        c.ttfonts.addRegisteredFont('NotoSansTC', tc_font)
+        pdfmetrics.registerFont(tc_font)
         
         # Set default font (Simplified Chinese or Traditional Chinese depending on content)
         c.setFont('NotoSansSC', 12)
@@ -455,8 +455,7 @@ def generate_document(task_description, md_content, user_name='jayw', bucket_nam
     public_url = save_to_google_storage(bucket_name, local_filename, destination_blob_name)
     logger.debug("Finished generating document")
     return public_url
-
-
+    
 # In[10]: