sympy/sympy — pull request #699 by smichr (2011-11-05 19:39:33+00:00)
Title: use args_cnc(), delete extra split_commutative_parts, sympify in TensorPr

use args_cnc(), delete extra split_commutative_parts, sympify in TensorProduct

There are a few other places where values of 1 or 0 that were being
returned are now returned as S.One or S.Zero, respectively.