Using s.sort([cmp[, key[, reverse]]]) to sort a list of objects based on a attribute

[Miki]

>   steps.sort(key = lambda s: s.time)
This is why attrgetter in the operator module was invented.
from operator import attrgetter
...
steps.sort(key=attrgettr("time"))

HTH,
--
Miki <miki.tebeka at gmail.com>
http://pythonwise.blogspot.com