usage: pt2to3 [-h] [-r] [-p] [-o OUTPUT] [-i] filename

PyTables 2.x -> 3.x API transition tool This tool displays to standard out, so it is common to
pipe this to another file: $ pt2to3 oldfile.py > newfile.py

positional arguments:
  filename              path to input file.

options:
  -h, --help            show this help message and exit
  -r, --reverse         reverts changes, going from 3.x -> 2.x.
  -p, --no-ignore-previous
                        ignores previous_api() calls.
  -o OUTPUT             output file to write to.
  -i, --inplace         overwrites the file in-place.