Issue 1177: pickling protocol 2 is totally borken in sympy
http://code.google.com/p/sympy/issues/detail?id=1177
New issue report by ondrej.certik:
Apply this patch:
$ git diff sympy/utilities/
diff --git a/sympy/utilities/tests/test_pickling.py
b/sympy/utilities/tests/test
index a06268d..8dc205a 100644
--- a/sympy/utilities/tests/test_pickling.py
+++ b/sympy/utilities/tests/test_pickling.py
@@ -24,7 +24,7 @@ from sympy.core.ast_parser import SymPyParser,
SymPyTransforme
def check(a):
- b = pickle.loads(pickle.dumps(a))
+ b = pickle.loads(pickle.dumps(a, 2))
d1 = dir(a)
d2 = dir(b)
and run tests. They utterly fail. This prevents any interesting work with
pickling. It seems like a python bug.
Issue attributes:
Status: Accepted
Owner: ----
Labels: Type-Defect Priority-High
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