Re: [Matplotlib-users] Trouble with imshow

[Pauli V. <pa...@ik...>]

Thu, 03 Feb 2011 16:37:31 -0800, Christoph Gohlke wrote:
[clip]
> My understanding is that if there is a circular reference then the
> refcount will not be zero anyway. In this case _AxesImageBase instances
> and their image caches will never be deleted by the gc (__del__ method
> present or not) unless the circle is broken. 

Python's GC will try to break the cycles if possible. In fact, there's no 
other need for a GC in a reference counted system.

http://docs.python.org/extending/extending.html#reference-counts

-- 
Pauli Virtanen