fix more code that relied on pol(x,y,...) ∈ wrong parent (2)

src/sage/schemes/toric/points.py

@@ -849,7 +849,7 @@ def inhomogeneous_equations(self, ring, nonzero_coordinates, cokernel):
  z = [ring.zero()] * nrays
  for i, value in zip(nonzero_coordinates, z_nonzero):
  z[i] = value
- return [poly(z) for poly in self.polynomials]
+ return [poly.change_ring(ring)(z) for poly in self.polynomials]
 
  def solutions_serial(self, inhomogeneous_equations, log_range):
  """