New in version 2.0.
Get first measure in improper parentage of component:
abjad> measure = Measure((2, 4), "c'8 d'8 e'8 f'8")
abjad> staff = Staff([measure])
abjad> f(staff)
\new Staff {
{
\time 2/4
c'8
d'8
e'8
f'8
}
}
abjad> measuretools.get_first_measure_in_improper_parentage_of_component(staff.leaves[0])
Measure(2/4, [c'8, d'8, e'8, f'8])
Return measure or none.