code: def test_empty_slice(self):
      x = Tensor.randn(2, 3, 4, 5)
      y = x[:, :, :, 1]
      z = y[:, 1:1, :]
      numpy_testing_assert_equal_helper((2, 0, 4), z.shape)
  
imports: import math, unittest, random, copy
  import numpy
  from tinygrad import Tensor, dtypes, Device
  from tinygrad.lazy import LazyBuffer
  from tinygrad.shape.shapetracker import ShapeTracker
  from tinygrad.shape.view import View
  from tinygrad.helpers import CI
label_desc: Use image node_id 14 for calling the TestIndexing obj's underlying member method code with example usage: obj.test_empty_slice() without return types