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sage.sets: Modularization fixes (imports) #38751

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sage.sets: Modularization fixes (imports) #38751

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src/sage/sets/image_set.py: Modularization fix (import)
mkoeppe Oct 2, 2024
d7f2ab1
src/sage/sets/disjoint_set.pyx: Use LazyImport
mkoeppe Oct 2, 2024
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5 changes: 4 additions & 1 deletion src/sage/sets/disjoint_set.pyx
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Expand Up @@ -62,7 +62,10 @@ from sage.rings.integer cimport Integer
from sage.structure.sage_object cimport SageObject
from cpython.object cimport PyObject_RichCompare
from sage.groups.perm_gps.partn_ref.data_structures cimport *
from sage.combinat.set_partition import SetPartition
from sage.misc.lazy_import import LazyImport

SetPartition = LazyImport('sage.combinat.set_partition', 'SetPartition')


cpdef DisjointSet(arg):
r"""
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2 changes: 1 addition & 1 deletion src/sage/sets/image_set.py
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Expand Up @@ -25,7 +25,6 @@
from sage.misc.cachefunc import cached_method
from sage.rings.infinity import Infinity
from sage.rings.integer import Integer
from sage.modules.free_module import FreeModule
from sage.structure.element import Expression
from sage.structure.parent import Parent

Expand Down Expand Up @@ -91,6 +90,7 @@ def __init__(self, map, domain_subset, *, category=None, is_injective=None, inve
if isinstance(map, Expression) and map.is_callable():
domain = map.parent().base()
if len(map.arguments()) != 1:
from sage.modules.free_module import FreeModule
domain = FreeModule(domain, len(map.arguments()))
function = map

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