code: def var_getattr(self, tx, name: str) -> "VariableTracker":
      from .. import trace_rules
      from . import ConstantVariable
      from .builder import VariableBuilder
  
      if name == "__name__":
          return ConstantVariable.create(self.value.__name__)
  
      source = (
          AttrSource(self.source, name)
          if self.source is not None
          else None
      )
      try:
          obj = inspect.getattr_static(self.value, name)
      except AttributeError:
          obj = None
  
      if isinstance(obj, staticmethod):
          func = obj.__get__(self.value)
          if trace_rules.lookup(func) is not None:
              return trace_rules.lookup(func).create_with_source(
                  func, source=source
              )
          else:
              return variables.UserFunctionVariable(func, source=source)
      elif isinstance(obj, classmethod):
          return variables.UserMethodVariable(
              obj.__func__, self, source=source
          )
      elif source and inspect.ismemberdescriptor(obj):
          return VariableBuilder(tx, source)(obj.__get__(self.value))
  
      # Special handling of collections.OrderedDict.fromkeys()
      # Wrap it as GetAttrVariable(collections.OrderedDict, "fromkeys") to make it consistent with
      # collections.defaultdict, and both will be handled at UserDefinedClassVariable.call_method().
      # Otherwise, it would be wrapped as UserDefinedObjectVariable(collections.OrderedDict.fromkeys),
      # and we need duplicate code to handle both cases.
      if self.value is collections.OrderedDict and name == "fromkeys":
          return super().var_getattr(tx, name)
  
      if name in getattr(self.value, "__dict__", {}) or (
          self.value.__module__.startswith("torch.")
          or self.value.__module__ == "torch"
      ):
          if source:
              return VariableBuilder(tx, source)(obj)
      elif ConstantVariable.is_literal(obj):
          return ConstantVariable.create(obj)
  
      return super().var_getattr(tx, name)
  
imports: import collections
  import contextlib
  import functools
  import importlib
  import inspect
  import itertools
  import random
  import sys
  import threading
  import types
  from typing import Dict, List
  import torch._dynamo.config
  import torch.nn
  from torch._guards import TracingContext
  from ..None import variables
  from ..exc import unimplemented
  from ..guards import GuardBuilder, install_guard
  from ..source import AttrSource, GetItemSource, ODictGetItemSource, RandomValueSource
  from ..utils import all_hook_names, build_checkpoint_variable, check_constant_args, get_custom_getattr, has_torch_function, is_namedtuple_cls, is_utils_checkpoint, istype, namedtuple_fields, object_has_getattribute, proxy_args_kwargs, tensortype_to_dtype
  from .base import MutableLocal, VariableTracker
  from .ctx_manager import GenericContextWrappingVariable, NullContextVariable
  from .dicts import DefaultDictVariable
label_desc: Use image node_id 9 for calling the UserDefinedClassVariable obj's underlying member method code with example usage: obj.var_getattr(tx, name) and returns: super, ConstantVariable, super, trace_rules, variables, variables, VariableBuilder, ConstantVariable, VariableBuilder