old_contents: # Licensed to the Apache Software Foundation (ASF) under one or more
  # contributor license agreements.  See the NOTICE file distributed with
  # this work for additional information regarding copyright ownership.
  # The ASF licenses this file to You under the Apache License, Version 2.0
  # (the "License"); you may not use this file except in compliance with
  # the License.  You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import re
  import sys
  from setuptools import find_packages, setup
  from setuptools.command.test import test as TestCommand
  
  version = ''
  with open('kafkatest/__init__.py', 'r') as fd:
      version = re.search(r'^__version__\s*=\s*[\'"]([^\'"]*)[\'"]', fd.read(), re.MULTILINE).group(1)
  
  
  class PyTest(TestCommand):
      user_options = [('pytest-args=', 'a', "Arguments to pass to py.test")]
  
      def initialize_options(self):
          TestCommand.initialize_options(self)
          self.pytest_args = []
  
      def finalize_options(self):
          TestCommand.finalize_options(self)
          self.test_args = []
          self.test_suite = True
  
      def run_tests(self):
          # import here, cause outside the eggs aren't loaded
          import pytest
          print self.pytest_args
          errno = pytest.main(self.pytest_args)
          sys.exit(errno)
  
  setup(name="kafkatest",
        version=version,
        description="Apache Kafka System Tests",
        author="Apache Kafka",
        platforms=["any"], 
        license="apache2.0",
        packages=find_packages(),
        include_package_data=True,
        install_requires=["ducktape==0.5.1", "requests>=2.5.0"],
        tests_require=["pytest", "mock"],
        cmdclass={'test': PyTest},
        )
  
new_contents: # Licensed to the Apache Software Foundation (ASF) under one or more
  # contributor license agreements.  See the NOTICE file distributed with
  # this work for additional information regarding copyright ownership.
  # The ASF licenses this file to You under the Apache License, Version 2.0
  # (the "License"); you may not use this file except in compliance with
  # the License.  You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import re
  import sys
  from setuptools import find_packages, setup
  from setuptools.command.test import test as TestCommand
  
  version = ''
  with open('kafkatest/__init__.py', 'r') as fd:
      version = re.search(r'^__version__\s*=\s*[\'"]([^\'"]*)[\'"]', fd.read(), re.MULTILINE).group(1)
  
  
  class PyTest(TestCommand):
      user_options = [('pytest-args=', 'a', "Arguments to pass to py.test")]
  
      def initialize_options(self):
          TestCommand.initialize_options(self)
          self.pytest_args = []
  
      def finalize_options(self):
          TestCommand.finalize_options(self)
          self.test_args = []
          self.test_suite = True
  
      def run_tests(self):
          # import here, cause outside the eggs aren't loaded
          import pytest
          print self.pytest_args
          errno = pytest.main(self.pytest_args)
          sys.exit(errno)
  
  setup(name="kafkatest",
        version=version,
        description="Apache Kafka System Tests",
        author="Apache Kafka",
        platforms=["any"], 
        license="apache2.0",
        packages=find_packages(),
        include_package_data=True,
        install_requires=["ducktape==0.5.3", "requests>=2.5.0"],
        tests_require=["pytest", "mock"],
        cmdclass={'test': PyTest},
        )
  
subject: Update ducktape version to 0.5.3