[issue11218] pattern=None when following documentation for load_tests and unittest.main()

[Rik Poggi]

Rik Poggi <poggi.ricky at gmail.com> added the comment:

I think the doc should be improved (http://docs.python.org/library/unittest.html#load-tests-protocol), it's not clear how pattern in the example (last one) could not be None.

Changing the discover signature doesn't seem to be an option since the TestLoader.discover doc http://docs.python.org/library/unittest.html#unittest.TestLoader.discover says:

  The pattern is deliberately not stored as a loader attribute so that
  packages can continue discovery themselves.

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nosy: +rik.poggi

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