Huangbin Zhan 9c0ad7f1d5 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>
(cherry picked from commit 3caad5150c2011a7dac462acaa06d0e69f8ed005)
2020-07-13 21:24:30 +01:00
..
2019-10-09 21:07:23 +02:00
2015-10-07 10:51:18 +00:00
env
2018-05-05 09:44:43 +02:00
2016-03-24 22:40:13 +01:00