PyCQA / pylint / 842

92%

main: 95%

Pull #1196

travis-ci

Respect checks for Python 2

Frequently 2and3 code will gate some Python 3 specific code with something like:

```python
if six.PY2:
  #  something python 2 only
```

This PR will respect those branches.

One thing I wasn't able to do was handle `else` branches here.  e.g.:

```python
if six.PY3:
  # something python 3 only
else:
  # something python 2 only
```

I'd love some feedback on how I can accomplish this, but AFAICT there is no `else` node
in `astroid`.

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