Error launching details: 'Terminal' object has no attribute 'set_visible_bell'

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/engine.py", line 763, in
_show_vm_helper
    details.activate_default_page()
  File "/usr/share/virt-manager/virtManager/details.py", line 1442, in
activate_default_page
    self.activate_default_console_page()
  File "/usr/share/virt-manager/virtManager/details.py", line 1436, in
activate_default_console_page
    self.console.activate_default_console_page()
  File "/usr/share/virt-manager/virtManager/console.py", line 1604, in
activate_default_console_page
    self._show_serial_tab(name, serialidx)
  File "/usr/share/virt-manager/virtManager/console.py", line 1663, in
_show_serial_tab
    serial = vmmSerialConsole(self.vm, target_port, name)
  File "/usr/share/virt-manager/virtManager/serialcon.py", line 317, in
__init__
    self.init_terminal()
  File "/usr/share/virt-manager/virtManager/serialcon.py", line 329, in
init_terminal
    self.terminal.set_visible_bell(True)
AttributeError: 'Terminal' object has no attribute 'set_visible_bell'