Python infinite loop bytecode

Python: while True

~ $ python
Python 2.6.4 (r264:75821M, Oct 27 2009, 19:48:32) 
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from dis import dis
>>> def wT():
...     while True:
...         pass
... 
>>> dis(wT)
  2           0 SETUP_LOOP              12 (to 15)
        >>    3 LOAD_GLOBAL              0 (True)
              6 JUMP_IF_FALSE            4 (to 13)
              9 POP_TOP             

  3          10 JUMP_ABSOLUTE            3
        >>   13 POP_TOP             
             14 POP_BLOCK           
        >>   15 LOAD_CONST               0 (None)
             18 RETURN_VALUE        
>>> def w1():
...     while 1:
...         pass
... 
>>> dis(w1)
  2           0 SETUP_LOOP               3 (to 6)

  3     >>    3 JUMP_ABSOLUTE            3
        >>    6 LOAD_CONST               0 (None)
              9 RETURN_VALUE        
>>>