Chinmay D. Pai 0d147b011e
fix: set default posting_date value to None
using mutable python defaults, and especially function calls, inside
function definitions causes bugs that can be really hard to debug
sometimes. please refrain from using such defaults.

instead, using None is almost always a sane default. the values can
then be manipulated inside the function instead.

Signed-off-by: Chinmay D. Pai <chinmaydpai@gmail.com>
2020-05-24 00:54:04 +05:30
..
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