Philip Hyunsu Cho bf1b2cbfa2
Remove f-string, since it's not supported by Python 3.5 (#5330)
* Remove f-string, since it's not supported by Python 3.5

* Add Python 3.5 to CI, to ensure compatibility

* Remove duplicated matplotlib

* Show deprecation notice for Python 3.5

* Fix lint

* Fix lint
2020-02-20 22:47:05 -08:00
..
2019-10-09 16:26:19 -07:00
2019-08-16 11:19:22 -07:00
2019-03-13 02:25:51 +08:00