Issue #6551: test_zipimport could import and then destroy some modules of
the encodings package, which would make other tests fail further down
the road because the internally cached encoders and decoders would point
to empty global variables.
diff --git a/Lib/test/test_pkg.py b/Lib/test/test_pkg.py
index 0c568bb..2e293f4 100644
--- a/Lib/test/test_pkg.py
+++ b/Lib/test/test_pkg.py
@@ -48,13 +48,11 @@
self.root = None
self.pkgname = None
self.syspath = list(sys.path)
- self.sysmodules = sys.modules.copy()
+ self.modules_before = support.modules_setup()
def tearDown(self):
sys.path[:] = self.syspath
- sys.modules.clear()
- sys.modules.update(self.sysmodules)
- del self.sysmodules
+ support.modules_cleanup(*self.modules_before)
cleanout(self.root)
# delete all modules concerning the tested hiearchy