old_contents: import logging
  import pytest
  
  from StringIO import StringIO
  
  from teuthology.exceptions import CommandFailedError
  
  log = logging.getLogger(__name__)
  
  
  class TestRun(object):
      """
      Tests to see if we can make remote procedure calls to the current cluster
      """
  
      def test_command_failed_label(self, ctx, config):
          result = ""
          try:
              ctx.cluster.run(
                  args=["python", "-c", "assert False"],
                  label="working as expected, nothing to see here"
              )
          except CommandFailedError as e:
              result = str(e)
  
          assert "working as expected" in result
  
      def test_command_failed_no_label(self, ctx, config):
          with pytest.raises(CommandFailedError):
              ctx.cluster.run(
                  args=["python", "-c", "assert False"],
              )
  
      def test_command_success(self, ctx, config):
          result = StringIO()
          ctx.cluster.run(
              args=["python", "-c", "print 'hi'"],
              stdout=result
          )
          assert result.getvalue().strip() == "hi"
  
new_contents: import logging
  import pytest
  
  from StringIO import StringIO
  
  from teuthology.exceptions import CommandFailedError
  
  log = logging.getLogger(__name__)
  
  
  class TestRun(object):
      """
      Tests to see if we can make remote procedure calls to the current cluster
      """
  
      def test_command_failed_label(self, ctx, config):
          result = ""
          try:
              ctx.cluster.run(
                  args=["python", "-c", "assert False"],
                  label="working as expected, nothing to see here"
              )
          except CommandFailedError as e:
              result = str(e)
  
          assert "working as expected" in result
  
      def test_command_failed_no_label(self, ctx, config):
          with pytest.raises(CommandFailedError):
              ctx.cluster.run(
                  args=["python", "-c", "assert False"],
              )
  
      def test_command_success(self, ctx, config):
          result = StringIO()
          ctx.cluster.run(
              args=["python", "-c", "print('hi')"],
              stdout=result
          )
          assert result.getvalue().strip() == "hi"
  
subject: fix print syntax