A DocTestSuite cannot run multiple times: it clears its globals dictionary after the first run.
Rebuild the DocTestSuite on each iteration.
diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index 5a6387a..15f0bf7 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -305,13 +305,12 @@
self.failIf(issubclass(basestring, MutableSequence))
import doctest, collections
-NamedTupleDocs = doctest.DocTestSuite(module=collections)
def test_main(verbose=None):
- import collections as CollectionsModule
+ NamedTupleDocs = doctest.DocTestSuite(module=collections)
test_classes = [TestNamedTuple, NamedTupleDocs, TestOneTrickPonyABCs, TestCollectionABCs]
test_support.run_unittest(*test_classes)
- test_support.run_doctest(CollectionsModule, verbose)
+ test_support.run_doctest(collections, verbose)
if __name__ == "__main__":
test_main(verbose=True)