New in version 2.0.
Get first tuplet in improper parentage of component:
abjad> staff = Staff("c'8 d'8 e'8 f'8")
abjad> Tuplet(Fraction(2, 3), staff[:3])
Tuplet(2/3, [c'8, d'8, e'8])
abjad> f(staff)
\new Staff {
\times 2/3 {
c'8
d'8
e'8
}
f'8
}
abjad> tuplettools.get_first_tuplet_in_improper_parentage_of_component(staff.leaves[1])
Tuplet(2/3, [c'8, d'8, e'8])
Return tuplet or none.