bpo-32923: Unittest doc: replace whilst with while (pythonGH-5833)

Mariatta · web-flow · commit 98f42aac23f3 · 2018-02-23T09:51:11.000-08:00
`whilst` and `while` are both english words, `whilst` is not as commonly used.
This can be confusing to readers whose primary language is not english.
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
@@ -2316,7 +2316,7 @@ handling functionality within test frameworks.
 
    When called without arguments this function removes the control-c handler
    if it has been installed. This function can also be used as a test decorator
-   to temporarily remove the handler whilst the test is being executed::
+   to temporarily remove the handler while the test is being executed::
 
       @unittest.removeHandler
       def test_signal_handling(self):
