udated the pdf function

app.py

@@ -8,10 +8,7 @@ import uuid
 from urllib.request import urlretrieve
 import os
 
-FONT_PATH = "NotoSans-Regular.ttf"
-
-pdf.add_font("NotoSans", "", FONT_PATH, uni=True)
-pdf.set_font("NotoSans", size=12)
+FONT_PATH = "Jost-VariableFont_wght.ttf"
 
 def generate_pdf_from_chat(chat_history):
     if not chat_history or not isinstance(chat_history, list):
@@ -24,22 +21,22 @@ def generate_pdf_from_chat(chat_history):
 
     file_path = f"/tmp/chat_response_{uuid.uuid4().hex}.pdf"
 
-    # Create PDF with Unicode support
     pdf = FPDF()
     pdf.add_page()
 
-    # Register Unicode font
-    pdf.add_font("NotoSans", "", FONT_PATH, uni=True)
-    pdf.set_font("NotoSans", size=12)
+    # Register font (make sure the .ttf file is uploaded to your repo!)
+    FONT_PATH = "Jost-VariableFont_wght.ttf"
+    pdf.add_font("Jost", "", FONT_PATH, uni=True)
+    pdf.set_font("Jost", size=12)
     pdf.set_auto_page_break(auto=True, margin=15)
 
-    # Add the text safely
     for line in last_response.split("\n"):
         pdf.multi_cell(0, 10, line)
 
     pdf.output(file_path)
     return file_path
 
+
 #_______________________________________________________________________
 
 theme = gr.themes.Monochrome(