class_docstr: VariableTracker.mutable_local marker to track changes to attributes
class_docstr_tok: ["VariableTracker.mutable_local","marker","to","track","changes","to","attributes"]
code: def __init__(self, typ: MutableLocalSource, source: Optional[Source]):
      super().__init__(typ)
      self.source = source
  
imports: import inspect
  from typing import Any, Dict, List, Optional, Union
  import torch.nn
  from .None import utils, variables
  from .bytecode_transformation import create_call_function, create_call_method, create_instruction
  from .codegen import PyCodegen
  from .exc import unimplemented
  from .source import LocalSource, Source
  from .utils import nn_module_new, object_new
  from .variables.base import is_side_effect_safe, MutableLocalBase, MutableLocalSource, VariableTracker
label_desc: Use image node_id 1 to create a new AttributeMutation object from inherited base classes: MutableLocalBase with example: obj = AttributeMutation(typ, source)