code: def infer_shape(self, fgraph, node, i0_shapes):
      return [i0_shapes[0]]
  
imports: import unittest
  import pytensor
  from pytensor.graph.basic import Apply
  from pytensor.graph.op import Op
  from pytensor.tensor.type import TensorType
  from tests import unittest_tools
  from pytensor import tensor
  from pytensor.graph.basic import Apply
  from pytensor.tensor.type import dmatrix, matrix
  import numpy
  import pytensor
  from pytensor.compile.ops import as_op
label_desc: Use image node_id 3 for calling the ProdOp obj's underlying member method code with example usage: obj.infer_shape(fgraph, node, i0_shapes) and returns: list