Traceback (most recent call last):


 "/usr/bin/mailpile", line 10, in <module>

sys.exit(main())


 "/usr/lib/python2.7/dist-packages/mailpile/__main__.py", line 6, in main

Main(sys.argv[1:])


 "/usr/lib/python2.7/dist-packages/mailpile/app.py", line 247, in Main

readline.write_history_file(session.config.history_file())
AttributeError: 'NoneType' object has no attribute 'write_history_file'

Traceback (most recent call last):


 "/home/pi/.local/lib/python3.7/site-packages/mu/modes/python3.py", line 109, in start_kernel

self.repl_kernel_manager.start_kernel()


 "/home/pi/.local/lib/python3.7/site-packages/mu/modes/python3.py", line 42, in start_kernel

kernel_cmd, kw = self.pre_start_kernel(**kw)
AttributeError: 'MuKernelManager' object has no attribute 'pre_start_kernel'
