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- Remove tox and use plain travis matrix to test.
[gforcada]
- Test on python 2.7, python 3.5, pypy and pypy3.
[gforcada]
- Require flake8 3.0.
[gforcada]
- Use ast to analyze the code.
The regular expression used so far was mostly a hit or miss,
with each corner case making it even more difficult to read.
The new checker with ast is simple, elegant and so much easy to read.
[gforcada]