GitLab

* collect env info for trouble shoting

* minor fix

* update the issue template

* fix the travis building

* update setup classifiers

cache pip,
use 'before script' as it done in mmcv,
see https://github.com/open-mmlab/mmdetection/issues/1658

* update Travis build

* freeze pytorch 1.2

* Install the latest pytorch instead of 1.2

* Revert "Install the latest pytorch instead of 1.2"

This reverts commit d269d2144f9c3b00816b00c31b2b7aa0c5c595f7.

* Enable doctests in CI with xdoctest

* use xdoctest in travis file

* Fix doctest warnings

* dont test eggs directory

* Ensure xdoctest is installed before running CI

* add testing in Travis

* add proj. requirements

* install CUDA

* def tested packages

* add missing meta in setup

* add empty test

* restructure travis tests

* add sample doctest

* switch to nose2

* add sample test

* using pytest

* minor fixes

* fix the imports in __init__.py

* update contribution guide

* add isort config

* use isort to sort imports

* add isort to travis

* format the codebase with yapf

* add yapf to travis