Rodolfo Alonso Hernandez 885b1149c3 Avoid default mutable values in arguments
Mutable values shouldn't be used as default values in function
arguments [1].

[1] http://docs.python-guide.org/en/latest/writing/gotchas/

Change-Id: I3c7f915f0409c77f4c430467365eb1bcfd7757b3
2017-10-10 14:04:40 +01:00
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2014-06-24 15:00:25 -06:00