Error on help command inside pulsar

[masterkrom]

I make all the steps and I get in the pulsar but when I use the help command I get the following error

Traceback (most recent call last): File "/home/user/.local/lib/python2.7/site-packages/cmd2.py", line 2476, in onecmd_plus_hooks stop = self.onecmd(statement) File "/home/user/.local/lib/python2.7/site-packages/cmd2.py", line 2675, in onecmd stop = func(statement) File "/home/user/.local/lib/python2.7/site-packages/cmd2.py", line 424, in cmd_wrapper return func(self, lexed_arglist) File "/home/user/.local/lib/python2.7/site-packages/cmd2.py", line 2950, in do_help self._help_menu(verbose) TypeError: _help_menu() takes exactly 1 argument (2 given) EXCEPTION of type 'TypeError' occurred with message: '_help_menu() takes exactly 1 argument (2 given)' To enable full traceback, run the following command: 'set debug true'