code: def step(self, t0, t1, y, extra0):
      # Just to make @abstractmethod happy, as we assign during __init__.
      raise RuntimeError
  
file_path: torchsde/torchsde/_core/methods/srk.py
imports: from .tableaus import sra1, srid2
  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 SRK obj's underlying member method code with example usage: obj.step(t0, t1, y, extra0) without return types