old_contents: def test_import_pyglui():
      import pyglui
  
      assert pyglui
  
  
  def test_import_ui():
      import pyglui.ui
  
      assert pyglui.ui
  
new_contents: def test_import_numpy():
      import numpy
  
  
  def test_import_pyglui():
      import pyglui
  
      assert pyglui
  
  
  def test_import_cygl():
      import pyglui.cygl
  
  
  def test_import_cygl_shader():
      from pyglui.cygl import shader
  
  
  def test_import_cygl_utils():
      from pyglui.cygl import utils
  
  
  def test_import_ui():
      import pyglui.ui
  
      assert pyglui.ui
  
subject: Add more test cases