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I migrated gitstats Python code to be compatible with both Python 2 and Python 3. There are 3 commits: the first one just replaces tabs by spaces, the second commit is Python 2 code migrated by futurize script with some manual adjustments (// division operator, -t attribute in text file open function) to be Python 2 and Python 3 compatible, and the final one handles string versus unicode compatibility issue. I tested successfully the changes with Python 2.7 and Python 3.4 under Fedora 22.