PythonWin 3.3.0 (v3.3.0:bd8afb90ebf2, Sep 29 2012, 10:57:17) [MSC v.1600 64 bit (AMD64)] on win32.
Portions Copyright 1994-2008 Mark Hammond - see 'Help/About PythonWin' for further copyright information.
try:
... 	1/0
... except ZeroDivisionError as exp:
... 	raise TypeError('Divided by 0')
... 
Traceback (most recent call last):
  File "<interactive input>", line 4, in <module>
TypeError: Divided by 0
try:
... 	1/0
... except ZeroDivisionError as exp:
... 	raise TypeError('Divided by 0') from exp
... 
Traceback (most recent call last):
  File "<interactive input>", line 4, in <module>
TypeError: Divided by 0
try:
... 	1/0
... except ZeroDivisionError:
... 	raise TypeError('Divided by 0') from None
... 
Traceback (most recent call last):
  File "<interactive input>", line 4, in <module>
TypeError: Divided by 0