Single line for loop over iterator with an “if” filter?

Question

Silly question:
I have a simple for loop followed by a simple if statement:

for airport in airports:
    if airport.is_important:

and

Answer 1

Using list comprehension (only if airports is a list of objects):

for airport in [a for a in airports if a.is_important]:

Answer 2

Mabe this, but it's more or less the same verbose...

import itertools

for airport in itertools.ifilter(lambda x: x.is_important, airports):
    ...