problem with non symbolic entries that fails to go through dicretizer
import discretizer
discretizer.Discretizer(1)
or
import discretizer
kx = discretizer.momentum_operators[0]
discretizer.Discretizer(kx+1)
import discretizer
discretizer.Discretizer(1)
or
import discretizer
kx = discretizer.momentum_operators[0]
discretizer.Discretizer(kx+1)