code: def test_getitem(self, device, dtype, batch_size):
      q = Quaternion.random(batch_size, device, dtype)
      s = So3(q)
      for i in range(batch_size):
          s1 = s[i]
          self.assert_close(s1.q.data, q.data[i])
  
imports: import pytest
  import torch
  from kornia.geometry.conversions import euler_from_quaternion
  from kornia.geometry.liegroup import So3
  from kornia.geometry.quaternion import Quaternion
  from kornia.geometry.vector import Vector3
  from kornia.testing import BaseTester
label_desc: Use image node_id 9 for calling the TestSo3 obj's underlying member method code with example usage: obj.test_getitem(device, dtype, batch_size) without return types