code: def isfinite(x: NdarrayOrTensor) -> NdarrayOrTensor:
      """`np.isfinite` with equivalent implementation for torch."""
      if not isinstance(x, torch.Tensor):
          return np.isfinite(x)  # type: ignore
      return torch.isfinite(x)
  
imports: from __future__ import annotations
  from collections.abc import Sequence
  from typing import TypeVar
  import numpy
  import torch
  from monai.config.type_definitions import NdarrayOrTensor, NdarrayTensor
  from monai.utils.misc import is_module_ver_at_least
  from monai.utils.type_conversion import convert_data_type, convert_to_dst_type
label_desc: Use image node_id 18 for calling a global function with example usage: isfinite(x) and returns: torch, np