I'd like to discretize a zero right-hand side. The following used to work, but no longer does.
from dolfin import *
mesh = UnitSquareMesh(10, 10)
V = FunctionSpace(mesh, 'CG', 1)
v = TrialFunction(V)
L = zero() * v * dx
# L = 0.0 * v * dx
b = assemble(L)
How to handle this now?