[Py] Apply PEP8 code style to setup.py (#1852)
[Py] Apply PEP8 code style to setup.py (#1852)

* [Py] Apply PEP8 code style to setup.py

* Remove unused var

* Update version to 0.9.0

NervanaSystems/ngraph,NervanaSystems/ngraph,NervanaSystems/ngraph,NervanaSystems/ngraph