old_contents: from __future__ import unicode_literals
  
  import balanced
  
  from . import utils
  
  
  class TestClient(utils.TestCase):
  
      def setUp(self):
          super(TestClient, self).setUp()
  
      def test_configure(self):
          balanced.configure('XXX')
          expected_headers = {
              'content-type': 'application/vnd.api+json;revision=1.1',
              'accept': 'application/json;revision=1.1',
              'User-Agent': u'balanced-python/1.0dev1'
          }
          self.assertDictContainsSubset(
              expected_headers, balanced.config.client.config.headers
          )
  
new_contents: from __future__ import unicode_literals
  
  import balanced
  
  from . import utils
  
  
  class TestClient(utils.TestCase):
  
      def setUp(self):
          super(TestClient, self).setUp()
  
      def test_configure(self):
          expected_headers = {
              'content-type': 'application/vnd.api+json;revision=1.1',
              'accept': 'application/json;revision=1.1',
              'User-Agent': u'balanced-python/1.0dev1'
          }
          self.assertDictContainsSubset(
              expected_headers, balanced.config.client.config.headers
          )
  
subject: Fix 401 in test suite