None prompt exits cmdloop #692
Description
This is a silly edge-case, but if the prompt is None, the cmdloop silently exits. A prompt of '' does not exit.
I don't want to have a None prompt, but I accidentally had one while debugging something else and was scratching my head.
from cmd2 import Cmd
class MyApp(Cmd, object):
def __init__(self):
self.prompt = None
Cmd.__init__(self)
app = MyApp()
app.cmdloop()Python 2.7, cmd2 v0.8.9