code: def left_t_interp(
      interp_indices: torch.LongTensor,
      interp_values: torch.Tensor,
      rhs: torch.Tensor,
      output_dim: int,
  ) -> torch.Tensor:
      warnings.warn(
          "gpytorch.utils.interpolation.left_t_interp is deprecated in favor of "
          "linear_operator.utils.interpolation.left_t_interp.",
          DeprecationWarning,
      )
      return _left_t_interp(
          interp_indices=interp_indices,
          interp_values=interp_values,
          rhs=rhs,
          output_dim=output_dim,
      )
  
file_path: gpytorch/gpytorch/utils/interpolation.py
imports: import warnings
  from functools import reduce
  from operator import mul
  from typing import List
  import torch
  from linear_operator.utils.interpolation import left_interp, left_t_interp
  from .grid import convert_legacy_grid
label_desc: Use image node_id 2 for calling a global function with example usage: left_t_interp(interp_indices, interp_values, rhs, output_dim) and returns: _left_t_interp