code: def _is_view_op(tgt):
      if tgt is not None and isinstance(tgt, torch._ops.OpOverload):
          schema = tgt._schema
          if len(schema.arguments) > 0:
              first_arg = schema.arguments[0]
              # check if op is a view
              return (
                  first_arg.alias_info is not None
                  and not first_arg.alias_info.is_write
              )
  
imports: import torch
  from torch.fx import Node
  from torch.fx._compatibility import compatibility
  from torch._subclasses.fake_tensor import FakeTensorMode, FakeTensor
  from torch.utils._pytree import tree_map_only
  from torch.utils import _pytree
  from torch.multiprocessing.reductions import StorageWeakRef
  import _operator
  from enum import Enum
  import itertools
  from typing import Set, Dict
  from collections import defaultdict
label_desc: Use image node_id 1 for calling a global function with example usage: _is_view_op(tgt) and returns: unknown