Comment #15 on issue 2956 by smi...@gmail.com: Simetimes the test_hyperexpand.py (test_meijerg_shift_operators) fails in master.
http://code.google.com/p/sympy/issues/detail?id=2956
That's not a S bug (IMO). Mul works from left to right and when it gets the "2 arg mul" first, it distributes the Rational. Is this S(repr(foo)) used somewhere in the tests or in the code? Because the fix (if you don't want that distributing) is to remove the constant with as_coeff_Mul and then put it back afterwards.
(5*z+5)/z
(5*z + 5)/z
2*_
2*(5*z + 5)/z
eq=_ c, t = eq.as_coeff_Mul() c*S(repr(t))
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