Fix for [ 765456 ]: testAFakeZlib failed on platforms that use a
statically linked zlib module, but since the problem it tests can't
exist on these systems, simply skip it then. Will backport.
diff --git a/Lib/test/test_zipimport.py b/Lib/test/test_zipimport.py
index 86acdd2..21bde68 100644
--- a/Lib/test/test_zipimport.py
+++ b/Lib/test/test_zipimport.py
@@ -95,6 +95,13 @@
# (Hence the 'A' in the test method name: to make it the first
# item in a list sorted by name, like unittest.makeSuite() does.)
#
+ # This test fails on platforms on which the zlib module is
+ # statically linked, but the problem it tests for can't
+ # occur in that case (builtin modules are always found first),
+ # so we'll simply skip it then. Bug #765456.
+ #
+ if "zlib" in sys.builtin_module_names:
+ return
if "zlib" in sys.modules:
del sys.modules["zlib"]
files = {"zlib.py": (NOW, test_src)}