Comment #17 on issue 1497 by [email protected]: Remove automatic
distribution 2*(x + y) => 2*x + 2*y
http://code.google.com/p/sympy/issues/detail?id=1497
The fix you suggested was to remove:
" if len(c_part)==2 and c_part[0].is_Number and c_part[1].is_Add:
# 2*(1+a) -> 2 + 2 * a
coeff = c_part[0]
c_part = [Add(*[coeff*f for f in c_part[1].args])]"
But now it looks like this:
"if (not nc_part and len(c_part) == 2 and c_part[0].is_Number and
c_part[1].is_Add):
# 2*(1+a) -> 2 + 2 * a
coeff = c_part[0]
c_part = [Add(*[coeff*f for f in c_part[1].args])]"
The change is an additional part of the 'if' test: "not nc_part".
Will slicing this section out cause problems because of that extra bit now?
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