class_docstr: Most tests done in the base class LinearOperatorDerivedClassTest.
class_docstr_tok: ["Most","tests","done","in","the","base","class","LinearOperatorDerivedClassTest","."]
code: def operator_shapes_infos():
      shape_info = linear_operator_test_util.OperatorShapesInfo
      return [
          shape_info((1, 0)),
          shape_info((1, 2, 3)),
          shape_info((5, 3), blocks=[(2, 1), (3, 2)]),
          shape_info(
              (3, 6, 5), blocks=[(1, 2, 1), (3, 1, 2), (1, 3, 2)]
          ),
          shape_info((2, 1, 5, 2), blocks=[(2, 1, 2, 1), (1, 3, 1)]),
      ]
  
imports: import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.eager import context
  from tensorflow.python.framework import config
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.ops.linalg import linalg
  from tensorflow.python.ops.linalg import linear_operator_block_diag
  from tensorflow.python.ops.linalg import linear_operator_lower_triangular
  from tensorflow.python.ops.linalg import linear_operator_test_util
  from tensorflow.python.ops.linalg import linear_operator_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the NonSquareLinearOperatorBlockDiagTest obj's underlying member method code with example usage: obj.operator_shapes_infos() and returns: list