deepcopy states

lib/ansible/plugins/strategy/__init__.py

@@ -165,7 +165,7 @@ def debug_closure(func):
         )
 
         # We don't know the host yet, copy the previous states, for lookup after we process new results
-        prev_host_states = iterator.host_states.copy()
+        prev_host_states = {hostname: state.copy() for hostname, state in iterator.host_states.items()}
 
         results = func(self, iterator, one_pass=one_pass, max_passes=max_passes)
         _processed_results = []

test/units/executor/test_play_iterator.py

@@ -20,7 +20,7 @@ from __future__ import annotations
 import unittest
 from unittest.mock import patch, MagicMock
 
-from ansible.executor.play_iterator import HostState, PlayIterator, IteratingStates, FailedStates
+from ansible.executor.play_iterator import HostState, PlayIterator
 from ansible.playbook import Playbook
 from ansible.playbook.play_context import PlayContext
 from ansible.plugins.loader import init_plugin_loader