Traceback (most recent call last):
  
 "<string>", line 1, in <module>
  
 "C:\Python27\lib\multiprocessing\forking.py", line 381, in main
    self = load(from_parent)
  
 "C:\Python27\lib\pickle.py", line 1384, in load
    return Unpickler(file).load()
  
 "C:\Python27\lib\pickle.py", line 864, in load
    dispatch[key](self)
  
 "C:\Python27\lib\pickle.py", line 1089, in load_newobj
    obj = cls.__new__(cls, *args)
TypeError: __new__() takes at least 2 arguments (1 given)

Traceback (most recent call last):


 "/home/elelay/devel/gpodder-toga/VENV/lib/python3.8/site-packages/toga_gtk/app.py", line 21, in _handler

cmd.action(cmd)


 "/home/elelay/devel/gpodder-toga/VENV/lib/python3.8/site-packages/toga/handlers.py", line 55, in _handler

result = handler(interface, *args, **kwargs)
TypeError: <lambda>() missing 1 required positional argument: 'data'
