code: def test_contiguous_add(self):
      def test(contig=False):
          bt = Tensor(np.arange(16), dtype=dtypes.float32).reshape(4, 4)
          x = bt.permute(1, 0)
          if contig:
              x = x.contiguous()
          return (x.permute(1, 0) + bt).data()
  
      assert test() == test(True)
  
file_path: tinygrad/test/test_fusion_op.py
imports: import unittest
  import time
  import numpy
  from tinygrad import Tensor, dtypes
  from tinygrad.device import InterpretedASTRunner
  from tinygrad.lazy import create_schedule
  from tinygrad.realize import run_schedule, lower_schedule_item
label_desc: Use image node_id 1 for calling the TestFusionOp obj's underlying member method code with example usage: obj.test_contiguous_add() and returns: unknown