old_contents: import msl.package_manager as pm
  
  
  def test_github():
      pkgs = pm.github()
      assert pm.PKG_NAME in pkgs
  
new_contents: import msl.package_manager as pm
  
  
  def test_github():
      pkgs = pm.helper.github()
      assert pm.PKG_NAME in pkgs
  
subject: fix attribute error