old_contents: from __future__ import absolute_import
  
  from django.conf import settings
  
  from raven.versioning import fetch_git_sha, fetch_package_version
  
  
  def test_fetch_git_sha():
      result = fetch_git_sha(settings.PROJECT_ROOT)
      assert result is not None
      assert len(result) == 40
      assert isinstance(result, basestring)
  
  
  def test_fetch_package_version():
      result = fetch_package_version('raven')
      assert result is not None
      assert isinstance(result, basestring)
  
new_contents: from __future__ import absolute_import
  
  from django.conf import settings
  
  from raven.versioning import fetch_git_sha, fetch_package_version
  from raven.utils import six
  
  
  def test_fetch_git_sha():
      result = fetch_git_sha(settings.PROJECT_ROOT)
      assert result is not None
      assert len(result) == 40
      assert isinstance(result, six.string_types)
  
  
  def test_fetch_package_version():
      result = fetch_package_version('raven')
      assert result is not None
      assert isinstance(result, six.string_types)
  
subject: Fix python3 compatibility.