Description of problem: I recently upgraded Fedora to version 13 and SymPy stopped working. Here is the traceback: >>> import sympy Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/lib/python2.6/site-packages/sympy/__init__.py", line 22, in <module> from sympy.core import * File "/usr/lib/python2.6/site-packages/sympy/core/__init__.py", line 4, in <module> from basic import Basic, S, C, sympify File "/usr/lib/python2.6/site-packages/sympy/core/basic.py", line 2497, in <module> from symbol import Wild, Symbol File "/usr/lib/python2.6/site-packages/sympy/core/symbol.py", line 293, in <module> from sympify import sympify File "/usr/lib/python2.6/site-packages/sympy/core/sympify.py", line 191, in <module> from numbers import Integer, Real File "/usr/lib/python2.6/site-packages/sympy/core/numbers.py", line 5, in <module> import mpmath.libmpf as mlib ImportError: No module named libmpf Version-Release number of selected component (if applicable): sympy-0.6.6-3.fc13.noarch How reproducible: Always Additional info: Upon further investigation, I found libmpf module on my system: /usr/lib/python2.6/site-packages/mpmath/libmp/libmpf.py So, it looks like the libmpf module changed its location from mpmath/libmpf.py to mpmath/libmp/libmpf.py and the rest of the SymPy code hasn't been updated yet?
A large discussion with the cause and possible solution(s) is going on #602431 so I am closing this bug as duplicate. FWIW you are right about the problem. :-) *** This bug has been marked as a duplicate of bug 602431 ***