diff options
| author | Raymond Hettinger <python@rcn.com> | 2002-05-21 17:22:02 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2002-05-21 17:22:02 (GMT) |
| commit | 97394bc7950d898843f7136c5af69279ea9bb080 (patch) | |
| tree | 8bb445830d06581fedd5928f2aa6636c45bcbca7 /Lib | |
| parent | 7f7d5bf43873b13c21cff8ab452df3ebde3a39ce (diff) | |
| download | cpython-97394bc7950d898843f7136c5af69279ea9bb080.zip cpython-97394bc7950d898843f7136c5af69279ea9bb080.tar.gz cpython-97394bc7950d898843f7136c5af69279ea9bb080.tar.bz2 | |
Patch 533291. Deprecate None return form of __reduce__.
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/pickle.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/pickle.py b/Lib/pickle.py index 5837884..d24786a 100644 --- a/Lib/pickle.py +++ b/Lib/pickle.py @@ -862,6 +862,10 @@ class Unpickler: "unpickling" % callable if arg_tup is None: + import warnings + warnings.warn("The None return argument form of __reduce__ is " + "deprecated. Return a tuple of arguments instead.", + DeprecationWarning) value = callable.__basicnew__() else: value = apply(callable, arg_tup) |