This is makeindex, version 2.15 [TeX Live 2009] (kpathsea + Thai support).
Scanning style file ./python.ist......done (6 attributes redefined, 0 ignored).
Scanning input file gtrace.idx....done (146 entries accepted, 0 rejected).
Sorting entries....done (1059 comparisons).
Generating output file gtrace.ind....done (214 lines written, 0 warnings).
Output written in gtrace.ind.
Transcript written in gtrace.ilg.