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pearu / sympycore

Automatically exported from code.google.com/p/sympycore
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NotImplementedError: POS.walk(func, cls, data, target) method #70

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?
import sympycore
a = sympycore.Symbol('+a')
b = str(a)
c = sympycore.Calculus(b)

What is the expected output? What do you see instead?
No error. Error.

What version of the product are you using? On what operating system?
'0.2.dev1228'
Linux 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 x86_64 
x86_64 x86_64 GNU/Linux

Please provide any additional information below.
Screws up substitutions without raising an error.

Original issue reported on code.google.com by schr...@gmail.com on 19 Jun 2012 at 1:55