code: def call_method(
      self,
      tx,
      name,
      args: "List[VariableTracker]",
      kwargs: "Dict[str, VariableTracker]",
  ) -> "VariableTracker":
      from . import ConstantVariable
  
      allowed_methods = ["__init__", "__setattr__"]
      # placement types dynamo tracking allows only __init__
      # and __setattr__ methods, the latter is for case like `Shard(dim)`
      if name in allowed_methods:
          try:
              value_type = type(self.value)
              assert (
                  inspect.getattr_static(
                      value_type, "__getattr__", None
                  )
                  is None
              ), "no custom getattr allowed!"
              method = inspect.getattr_static(value_type, name)
          except AttributeError:
              method = None
          if method is object.__init__:
              return ConstantVariable.create(None)
  
          args = [x.as_python_constant() for x in args]
          kwargs = {
              k: v.as_python_constant() for k, v in kwargs.items()
          }
          method(self.value, *args, **kwargs)
          return self
  
      return super().call_method(tx, name, args, kwargs)
  
imports: import inspect
  from typing import Dict, List
  import torch
  from ..None import variables
  from ..exc import unimplemented
  from ..utils import istype
  from .base import VariableTracker
  from .constant import ConstantVariable
label_desc: Use image node_id 4 for calling the PlacementVariable obj's underlying member method code with example usage: obj.call_method(tx, name, args, kwargs) and returns: super, self, ConstantVariable