add font

app.py

@@ -10,7 +10,9 @@ class PDF(FPDF):
         super().__init__()
         self.add_page()
         self.set_auto_page_break(auto=True, margin=15)
-        self.set_font("Arial", size=12)
+        # Add a Unicode-compatible font
+        self.add_font("DejaVu", "", "DejaVuSans.ttf", uni=True)
+        self.set_font("DejaVu", size=12)
 
     def add_unicode_text(self, text):
         # Handle multi-cell text with special characters