>>> import pwb, pywikibot
>>> from pywikibot.userinterfaces.cgi_interface import UI
>>> ui = UI()
>>> ui.input('Hello world')
Traceback (most recent call last):
  File "<pyshell#3>", line 1, in <module>
    ui.input('Hello world')
  File "C:\pwb\GIT\core\pywikibot\userinterfaces\cgi_interface.py", line 25, in input
    self.output(question   ' ', newline=False, toStdout=True)
  File "C:\pwb\GIT\core\pywikibot\userinterfaces\cgi_interface.py", line 21, in output
    sys.stdout.write(text.encode('UTF-8', 'replace'))
TypeError: descriptor 'encode' for 'str' objects doesn't apply to a 'bytes' object
>>>