code: def test_empty_tuple_index(self):
      # Empty tuple index creates a view
      a = Tensor([1, 2, 3])
      numpy_testing_assert_equal_helper(a[()], a)
      # TODO data_ptr
      """
      numpy_testing_assert_equal_helper(a[()].data_ptr(), a.data_ptr())
      """
  
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 3 for calling the TestNumpy obj's underlying member method code with example usage: obj.test_empty_tuple_index() without return types