code: def _SparseTensorToCSRSparseMatrixGrad(op: ops.Operation, grad):
      """Gradient for sparse_tensor_to_csr_sparse_matrix op."""
      grad_values = (
          sparse_csr_matrix_ops.csr_sparse_matrix_to_sparse_tensor(
              grad, type=op.get_attr("T")
          ).values
      )
      return (None, grad_values, None)
  
file_path: tensorflow-upstream/tensorflow/python/ops/linalg/sparse/sparse_csr_matrix_grad.py
imports: from tensorflow.python.framework import ops
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import array_ops_stack
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import sparse_ops
  from tensorflow.python.ops.linalg.sparse import sparse_csr_matrix_ops
label_desc: Use image node_id 3 for calling a global function with example usage: _SparseTensorToCSRSparseMatrixGrad(op, grad) and returns: None,  grad_values,  None