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-rw-r--r--Doc/whatsnew/3.4.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 008660bbd0..62c85bb9c0 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -1889,6 +1889,11 @@ Changes in the Python API
``_removeTestAtIndex`` method that does nothing (see
:meth:`.TestSuite.__iter__`) (:issue:`11798`).
+* :mod:`unittest` now uses :mod:`argparse` for command line parsing. There are
+ certain invalid command forms that used to work that are no longer allowed;
+ in theory this should not cause backward compatibility issues since the
+ disallowed command forms didn't make any sense and are unlikely to be in use.
+
Changes in the C API
--------------------