old_contents: from toga.interface import Font as FontInterface
  
  import gi
  gi.require_version("Pango", "1.0")
  from gi.repository import Pango
  
  
  class Font(FontInterface):
  
      def create(self):
          self._impl = Pango.FontDescription.from_string(
              "'" + self.family + "' " + str(self.size))
  
new_contents: from toga.interface import Font as FontInterface
  
  import gi
  gi.require_version("Pango", "1.0")
  from gi.repository import Pango
  
  
  class Font(FontInterface):
  
      def create(self):
          self._impl = Pango.FontDescription.from_string(
              self.family + " " + str(self.size))
  
subject: make fonts maybe work