Comment #6 on issue 2587 by [email protected]: Strange printing at SymPy
Live
http://code.google.com/p/sympy/issues/detail?id=2587
It is *definitely* pickling. In a regular IPython console with the git
master sympy:
In [58]: f = 1/(x**2*(x**2 + 1))
In [63]: pickle.loads(pickle.dumps(f))
Out[63]:
1
─────────────
2 ⎛ 1 ⎞
x ⋅⎜──── + 1⎟
⎜⎛1 ⎞ ⎟
⎜⎜──⎟ ⎟
⎜⎜ 2⎟ ⎟
⎝⎝x ⎠ ⎠
In [64]: pickle.loads(pickle.dumps(f, -1))
Out[64]:
1
─────────────
2 ⎛ 1 ⎞
x ⋅⎜──── + 1⎟
⎜⎛1 ⎞ ⎟
⎜⎜──⎟ ⎟
⎜⎜ 2⎟ ⎟
⎝⎝x ⎠ ⎠
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