Huangbin Zhan 3caad5150c build: fix compatibility with python 3.6
On a system python3 is linked to python3.6, fail to perform json_overview_image_info
 and got `TypeError: __init__() got an unexpected keyword argument 'capture_output'`.
This patch emulate the behaviour on python 3.7+.

Signed-off-by: Huangbin Zhan <zhanhb88@gmail.com>
2020-07-07 19:47:24 +02:00
..
2020-07-07 19:47:24 +02:00
2015-10-07 10:51:18 +00:00
env
2020-01-02 23:56:19 +01:00
2016-03-24 22:40:13 +01:00