Merged revisions 79297,79310,79382,79425-79427,79450 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r79297 | florent.xicluna | 2010-03-22 18:18:18 +0100 (lun, 22 mar 2010) | 2 lines

  #7668: Fix test_httpservers failure when sys.executable contains non-ASCII bytes.
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  r79310 | florent.xicluna | 2010-03-22 23:52:11 +0100 (lun, 22 mar 2010) | 2 lines

  Issue #8205: Remove the "Modules" directory from sys.path when Python is running from the build directory (POSIX only).
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  r79382 | florent.xicluna | 2010-03-24 20:33:25 +0100 (mer, 24 mar 2010) | 2 lines

  Skip tests which depend on multiprocessing.sharedctypes, if _ctypes is not available.
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  r79425 | florent.xicluna | 2010-03-25 21:32:07 +0100 (jeu, 25 mar 2010) | 2 lines

  Syntax cleanup `== None` -> `is None`
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  r79426 | florent.xicluna | 2010-03-25 21:33:49 +0100 (jeu, 25 mar 2010) | 2 lines

  #8207: Fix test_pep277 on OS X
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  r79427 | florent.xicluna | 2010-03-25 21:39:10 +0100 (jeu, 25 mar 2010) | 2 lines

  Fix test_unittest and test_warnings when running "python -Werror -m test.regrtest"
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  r79450 | florent.xicluna | 2010-03-26 20:32:44 +0100 (ven, 26 mar 2010) | 2 lines

  Ensure that the failed or unexpected tests are sorted before printing.
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diff --git a/Lib/idlelib/PyShell.py b/Lib/idlelib/PyShell.py
index ef82d81..e906292 100644
--- a/Lib/idlelib/PyShell.py
+++ b/Lib/idlelib/PyShell.py
@@ -347,7 +347,7 @@
     rpcpid = None
 
     def spawn_subprocess(self):
-        if self.subprocess_arglist == None:
+        if self.subprocess_arglist is None:
             self.subprocess_arglist = self.build_subprocess_arglist()
         args = self.subprocess_arglist
         self.rpcpid = os.spawnv(os.P_NOWAIT, sys.executable, args)