fix: use stix v2.0 version of CustomObject, ExternalReference

elucchesileon · elucchesileon · commit bd6b6da289e0 · 2025-10-23T08:50:51.000-04:00
diff --git a/mitreattack/stix20/custom_attack_objects.py b/mitreattack/stix20/custom_attack_objects.py
@@ -4,7 +4,6 @@
 
 import stix2
 import stix2.v20
-from stix2 import CustomObject, ExternalReference
 from stix2.properties import (
     BooleanProperty,
     DictionaryProperty,
@@ -15,6 +14,7 @@
     TimestampProperty,
     TypeProperty,
 )
+from stix2.v20 import CustomObject, ExternalReference
 
 
 class CustomStixObject(object):
