The command used was:
2to3 -w \
-x except \
-x import \
-x imports \
-x long \
-x numliterals \
-x xrange \
relax .
This is from the docs/2to3_checklist document. One print statement change in pystarlib/TagTable.py
had to be manually fixed afterwards, as the end arg to the print statement does not exist in all
python 2.x versions.