Call importlib.invalidate_caches() after creating module files in test_threaded_import.
diff --git a/Lib/test/test_threaded_import.py b/Lib/test/test_threaded_import.py
index e0c23de..6c2965b 100644
--- a/Lib/test/test_threaded_import.py
+++ b/Lib/test/test_threaded_import.py
@@ -7,6 +7,7 @@
import os
import imp
+import importlib
import sys
import time
import shutil
@@ -190,6 +191,7 @@
f.write(contents.encode('utf-8'))
self.addCleanup(forget, name)
+ importlib.invalidate_caches()
results = []
def import_ab():
import A
@@ -220,6 +222,7 @@
f.write(code.encode('utf-8'))
self.addCleanup(unlink, filename)
self.addCleanup(forget, TESTFN)
+ importlib.invalidate_caches()
__import__(TESTFN)