#22751: fix test___all__ warning about modified environment in the tests. Patch by Michael Cetrulo.

Lib/test/test___all__.py

@@ -75,13 +75,14 @@ class AllTest(unittest.TestCase):
 
         # rlcompleter needs special consideration; it imports readline which
         # initializes GNU readline which calls setlocale(LC_CTYPE, "")... :-(
+        import locale
+        locale_tuple = locale.getlocale(locale.LC_CTYPE)
         try:
             import rlcompleter
-            import locale
         except ImportError:
             pass
-        else:
-            locale.setlocale(locale.LC_CTYPE, 'C')
+        finally:
+            locale.setlocale(locale.LC_CTYPE, locale_tuple)
 
         ignored = []
         failed_imports = []

Misc/ACKS

@@ -218,6 +218,7 @@ Per Cederqvist
 Matej Cepl
 Carl Cerecke
 Octavian Cerna
+Michael Cetrulo
 Dave Chambers
 Pascal Chambon
 John Chandler