updated for version 7.3.1166
Problem:    Loading Python modules is not tested.
Solution:   Enable commented-out tests, add missing files. (ZyX)
diff --git a/src/testdir/pythonx/modulex.py b/src/testdir/pythonx/modulex.py
new file mode 100644
index 0000000..ec6a706
--- /dev/null
+++ b/src/testdir/pythonx/modulex.py
@@ -0,0 +1 @@
+ddir = 'xx'