Python core dumps

[JP de Vooght]

I have noticed python REPL core dumps after importing certain libraries (core, site-dependent) followed by exit() or CTRL-D. I rebased and it still happens. Any thought? Just me?
See versions and example below with import json.

~$ python -V
Python 2.7.10
~$ uname -a
CYGWIN_NT-6.1-WOW XXXXX-000001 2.2.1(0.289/5/3) 2015-08-20 11:40 i686 Cygwin
~$ python
Python 2.7.10 (default, Jun  1 2015, 18:17:45)
[GCC 4.9.2] on cygwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import json
>>>
Aborted (core dumped)
~

TIA!

Jean-Paul de Vooght
+49 79 823 7271
jp@vooght.de
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