修改了宏观经济接口的API，让宏观经济接口可以正常工作。并且增加了获取进出口总额以及固定资产投资量的接口#1386

Open

johncolezhang wants to merge 2 commits intowaditu:masterfrom johncolezhang:master

+120-44

Commits on Jun 28, 2020

Fix url for calling marco finance data, and add two functions: get_industry_fixed_investment(), get_total_import_export
johncolezhang
committed
add python2 encoding error
johncolezhang
committed