print-buffer fails silently

[ldutra]

ERROR: Error calling command:
Traceback (most recent call last):
File "/home/l/usr/src/webmacs/webmacs/keyboardhandler.py", line 247, in _handle_keypress
self.call_handler.call(ctx, keymap, keypress,
File "/home/l/usr/src/webmacs/webmacs/keyboardhandler.py", line 269, in call
command(ctx)
File "/home/l/usr/src/webmacs/webmacs/commands/init.py", line 41, in call
return self.binding(ctx)
^^^^^^^^^^^^^^^^^
File "/home/l/usr/src/webmacs/webmacs/commands/global.py", line 85, in commands
COMMANDSvalue
File "/home/l/usr/src/webmacs/webmacs/commands/init.py", line 41, in call
return self.binding(ctx)
^^^^^^^^^^^^^^^^^
File "/home/l/usr/src/webmacs/webmacs/commands/webbuffer.py", line 586, in print_buffer
ok = dlg.exec() == dlg.Accepted
^^^^^^^^^^^^
AttributeError: 'QPrintDialog' object has no attribute 'Accepted'

[ldutra]

More details:

When trying to print to a real printer, it just does not generate a print job. The messages above are when trying to generate a PDF.