Issue #17907: touch up the code for imp.new_module().
diff --git a/Lib/importlib/util.py b/Lib/importlib/util.py
index 09ec03c..06f4d2f 100644
--- a/Lib/importlib/util.py
+++ b/Lib/importlib/util.py
@@ -1,9 +1,11 @@
"""Utility code for constructing importers, etc."""
from ._bootstrap import MAGIC_NUMBER
+from ._bootstrap import cache_from_source
from ._bootstrap import module_to_load
from ._bootstrap import set_loader
from ._bootstrap import set_package
+from ._bootstrap import source_from_cache
from ._bootstrap import _resolve_name
import functools