hook_on_ipy.py

import sys


class ExceptionHook:
	instance = None

	def __call__(self, *args, **kwargs):
		if self.instance is None:
			from IPython.core import ultratb
			self.instance = ultratb.FormattedTB(mode='Plain',
												color_scheme='Linux', call_pdb=1)
		return self.instance(*args, **kwargs)

sys.excepthook = ExceptionHook()