[3.10] bpo-46425: Fix direct invocation of multiple test modules (GH-30666) (GH-30699)

diff --git a/Lib/test/test_compileall.py b/Lib/test/test_compileall.py
index 9e15ecf..33f0c93 100644
--- a/Lib/test/test_compileall.py
+++ b/Lib/test/test_compileall.py
@@ -3,7 +3,6 @@
 import filecmp
 import importlib.util
 import io
-import itertools
 import os
 import pathlib
 import py_compile
@@ -29,9 +28,8 @@
 from test import support
 from test.support import os_helper
 from test.support import script_helper
-
-from .test_py_compile import without_source_date_epoch
-from .test_py_compile import SourceDateEpochTestMeta
+from test.test_py_compile import without_source_date_epoch
+from test.test_py_compile import SourceDateEpochTestMeta
 
 
 def get_pyc(script, opt):