code: def step(self, t0, t1, y0, extra0):
      del extra0
      dt = t1 - t0
      I_k, A = self.bm(t0, t1, return_A=True)
  
      f, g_prod = self.sde.f_and_g_prod(t0, y0, I_k)
  
      half_dt = 0.5 * dt
  
      t_prime = t0 + half_dt
      y_prime = y0 + half_dt * f + 0.5 * g_prod
  
      f_prime, g_prod_prime = self.sde.f_and_g_prod(
          t_prime, y_prime, I_k
      )
      dg_ga_prime = self.sde.dg_ga_jvp_column_sum(t_prime, y_prime, A)
  
      y1 = y0 + dt * f_prime + g_prod_prime + dg_ga_prime
  
      return y1, ()
  
imports: from ..None import adjoint_sde
  from ..None import base_solver
  from ...settings import SDE_TYPES, NOISE_TYPES, LEVY_AREA_APPROXIMATIONS
label_desc: Use image node_id 2 for calling the LogODEMidpoint obj's underlying member method code with example usage: obj.step(t0, t1, y0, extra0) and returns: y1,  