Ville Skyttä 224fd208e7 Various python cleanups (#3650)
* python: Let logging format messages on demand

* python: Use six more

* python: Remove unused imports

* python: flake8 fixes

* python: Make examples compatible with Python 3

* python: Spelling fixes
2016-08-30 10:16:17 +08:00
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2016-08-30 10:16:17 +08:00