* Use packaging.version * Refactor str -> Version * pylint * Reformat some .py files * Fix perf_compare.py * Fix logging duplication * Fix presubmit * Remove __future__ * Fix review issues * Fix formating
* Use packaging.version * Refactor str -> Version * pylint * Reformat some .py files * Fix perf_compare.py * Fix logging duplication * Fix presubmit * Remove __future__ * Fix review issues * Fix formating