Merged revisions 74838-74839 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r74838 | georg.brandl | 2009-09-16 18:22:12 +0200 (Mi, 16 Sep 2009) | 1 line

  Remove some more boilerplate from the actual tests in test_pdb.
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  r74839 | georg.brandl | 2009-09-16 18:36:39 +0200 (Mi, 16 Sep 2009) | 1 line

  Make the pdb displayhook compatible with the standard displayhook: do not print Nones. Add a test for that.
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1 files changed, 3 insertions, 1 deletions

diff --git a/Lib/pdb.py b/Lib/pdb.py
index 627cd29..22dcff7 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -208,7 +208,9 @@ class Pdb(bdb.Bdb, cmd.Cmd):
         """Custom displayhook for the exec in default(), which prevents
         assignment of the _ variable in the builtins.
         """
-        print(repr(obj))
+        # reproduce the behavior of the standard displayhook, not printing None
+        if obj is not None:
+            print(repr(obj))
 
     def default(self, line):
         if line[:1] == '!': line = line[1:]