code: def test_lazycache(self):
      Tensor.no_grad = True
      x = Tensor.rand(1, 32)
      y = Tensor.rand(32)
      out = (
          x
          + y.reshape((1, 32, 1)).reshape((1, 32))
          + y.reshape((1, 32, 1)).reshape((1, 32))
      )
      out.numpy()
      Tensor.no_grad = False
  
file_path: tinygrad/test/test_conv.py
imports: import unittest
  import numpy
  from tinygrad.tensor import Tensor, Device
label_desc: Use image node_id 4 for calling the TestConv obj's underlying member method code with example usage: obj.test_lazycache() without return types