Issue #17041: Fix doctesting when Python is configured with the
--without-doc-strings.
diff --git a/Lib/test/test_generators.py b/Lib/test/test_generators.py
index 5f47b3e..2c88373 100644
--- a/Lib/test/test_generators.py
+++ b/Lib/test/test_generators.py
@@ -383,7 +383,8 @@
<class 'generator'>
>>> [s for s in dir(i) if not s.startswith('_')]
['close', 'gi_code', 'gi_frame', 'gi_running', 'send', 'throw']
->>> print(i.__next__.__doc__)
+>>> from test.support import HAVE_DOCSTRINGS
+>>> print(i.__next__.__doc__ if HAVE_DOCSTRINGS else 'x.__next__() <==> next(x)')
x.__next__() <==> next(x)
>>> iter(i) is i
True