code: def test_iaaperpective_augmentation_imported_when_imgaug_is_installed():
      from albumentations.imgaug.transforms import IAAPerspective
  
      t = IAAPerspective()
      assert isinstance(t, A.DualTransform)
  
file_path: albumentations/tests/test_imgaug_imports.py
imports: import pytest
  import albumentations
  from albumentations.imgaug.stubs import IAAStub
  from tests.conftest import skipif_no_imgaug, skipif_imgaug
label_desc: Use image node_id 2 for calling a global function with example usage: test_iaaperpective_augmentation_imported_when_imgaug_is_installed() without return types