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[Python-Dev] GC at exit?

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[Originally posted to comp.lang.python with no response; asking here
before filing a bug report]

Is garbage collection supposed to run when Python exits?  The following
program does not print any output, unless I uncomment the gc.collect()
(or add a for loop that forces GC after creating the cycle):

import gc

class A:
    pass

class B:
    def __del__(self):
        print "Bye-bye!"

a = A()
b = A()
a.b = b
b.a = a
a.x = B()

del a
del b

#gc.collect()
-- 
Aahz (aahz@pythoncraft.com)           <*>         http://www.pythoncraft.com/

"I disrespectfully agree."  --SJM

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