code: def test_detach(self):
      tex = TexturesAtlas(
          atlas=torch.rand(size=(1, 10, 2, 2, 3), requires_grad=True)
      )
      tex.atlas_list()
      tex_detached = tex.detach()
      self.assertFalse(tex_detached._atlas_padded.requires_grad)
      self.assertClose(tex_detached._atlas_padded, tex._atlas_padded)
      for i in range(tex._N):
          self.assertFalse(tex_detached._atlas_list[i].requires_grad)
          self.assertClose(
              tex._atlas_list[i], tex_detached._atlas_list[i]
          )
  
imports: import unittest
  import torch
  import torch.nn.functional
  from pytorch3d.renderer.mesh.rasterizer import Fragments
  from pytorch3d.renderer.mesh.textures import _list_to_padded_wrapper, TexturesAtlas, TexturesUV, TexturesVertex
  from pytorch3d.renderer.mesh.utils import pack_rectangles, pack_unique_rectangles, Rectangle
  from pytorch3d.structures import list_to_packed, Meshes, packed_to_list
  from .common_testing import TestCaseMixin
  from .test_meshes import init_mesh
label_desc: Use image node_id 6 for calling the TestTexturesAtlas obj's underlying member method code with example usage: obj.test_detach() without return types