bpython help crash

gistfile1.pytb

(bpython) ✘ ⚙ nick@localhost  ~  
λ bpython-curtsies
>>> help()

Welcome to Python 2.7!  This is the online help utility.

If this is your first time using Python, you should definitely check out
the tutorial on the Internet at http://docs.python.org/tutorial/.

Enter the name of any module, keyword, or topic to get help on writing
Python programs and using Python modules.  To quit this help utility and
return to the interpreter, just type "quit".

To get a list of available modules, keywords, or topics, type "modules",
"keywords", or "topics".  Each module also comes with a one-line summary
of what it does; to list the modules whose summaries contain a given word
such as "spam", type "modules spam".

help> 
Traceback (most recent call last):
  File "/home/nick/.virtualenvs/bpython/bin/bpython-curtsies", line 9, in <module>
    load_entry_point('bpython==mercurial', 'console_scripts', 'bpython-curtsies')()
  File "/home/nick/.virtualenvs/bpython/local/lib/python2.7/site-packages/bpython/curtsies.py", line 63, in main
    mainloop(config, locals_, banner, interp, paste, interactive=(not exec_args))
  File "/home/nick/.virtualenvs/bpython/local/lib/python2.7/site-packages/bpython/curtsies.py", line 119, in mainloop
    process_event(e)
  File "/home/nick/.virtualenvs/bpython/local/lib/python2.7/site-packages/bpython/curtsies.py", line 107, in process_event
    array, cursor_pos = repl.paint()
  File "/home/nick/.virtualenvs/bpython/local/lib/python2.7/site-packages/bpython/curtsiesfrontend/repl.py", line 826, in paint
    cursor_row, cursor_column = divmod(len(self.current_stdouterr_line_without_suggestion) + self.stdin.cursor_offset, width)
AttributeError: 'Repl' object has no attribute 'current_stdouterr_line_without_suggestion'