Update app.py

app.py

@@ -8,15 +8,10 @@ import uuid
 from urllib.request import urlretrieve
 import os
 
-FONT_DIR = "/tmp/fonts"
-FONT_PATH = os.path.join(FONT_DIR, "NotoSans-Regular.ttf")
-
-os.makedirs(FONT_DIR, exist_ok=True)
-if not os.path.exists(FONT_PATH):
-    urlretrieve(
-        "https://github.com/google/fonts/raw/main/ofl/notosans/NotoSans-Regular.ttf",
-        FONT_PATH
-    )
+FONT_PATH = "NotoSans-Regular.ttf"
+
+pdf.add_font("NotoSans", "", FONT_PATH, uni=True)
+pdf.set_font("NotoSans", size=12)
 
 def generate_pdf_from_chat(chat_history):
     if not chat_history or not isinstance(chat_history, list):