Issue #14605: Rename _SourcelessFileLoader to SourcelessFileLoader.
This time also recreating the Python/importlib.h file to make
make happy. See the ticket for details.
diff --git a/Lib/importlib/machinery.py b/Lib/importlib/machinery.py
index c9906c7..07465ce 100644
--- a/Lib/importlib/machinery.py
+++ b/Lib/importlib/machinery.py
@@ -5,5 +5,5 @@
from ._bootstrap import PathFinder
from ._bootstrap import FileFinder
from ._bootstrap import SourceFileLoader
-from ._bootstrap import _SourcelessFileLoader
+from ._bootstrap import SourcelessFileLoader
from ._bootstrap import ExtensionFileLoader