src/sage/sets/family.pyx: Use LazyImport

Author: Matthias Koeppe

src/sage/sets/family.pyx

@@ -49,13 +49,13 @@ from sage.categories.finite_enumerated_sets import FiniteEnumeratedSets
 from sage.categories.infinite_enumerated_sets import InfiniteEnumeratedSets
 from sage.misc.cachefunc import cached_method
 from sage.misc.call import AttrCallObject
-from sage.misc.lazy_import import lazy_import
+from sage.misc.lazy_import import LazyImport
 from sage.rings.infinity import Infinity
 from sage.rings.integer import Integer
 from sage.sets.finite_enumerated_set import FiniteEnumeratedSet
 from sage.sets.non_negative_integers import NonNegativeIntegers
 
-lazy_import('sage.combinat.combinat', 'CombinatorialClass')
+CombinatorialClass = LazyImport('sage.combinat.combinat', 'CombinatorialClass')
 
 
 def Family(indices, function=None, hidden_keys=[], hidden_function=None, lazy=False, name=None):