- sage: actual = Cone([p.list() for p in pi_of_K]).dim()
- sage: expected = n**2 - l*(n - l) - (n - m)*m
+ sage: L = ToricLattice(n**2)
+ sage: actual = Cone([p.list() for p in pi_of_K], lattice=L).dim()
+ sage: expected = n**2 - l*(m - l) - (n - m)*m