Frank Rene Schaefer added the comment:
Thanks, for the comments. I got it.
In German we would say 'I was standing on the water hose' ...
That is, something was choking the flow of my thoughts.
Best Regards
Frank
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Python trac
New submission from Frank Rene Schaefer :
The union operation fails in the following use case
Python 2.6.4 (r264:75706, Jan 30 2010, 22:50:05)
[GCC 4.3.1 20080507 (prerelease) [gcc-4_3-branch revision 135036]] on linux2
>>> def func():
... a = set([0])
... a.pop()
... b =
