code: def test_invalid_index(self):
      x = Tensor.arange(0, 16).reshape(4, 4)
      self.assertRaisesRegex(
          TypeError, "slice indices", lambda: x["0":"1"]
      )
  
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 19 for calling the TestIndexing obj's underlying member method code with example usage: obj.test_invalid_index() without return types