old_contents: #!/usr/bin/env python
  #
  # Copyright 2012 Google Inc. All Rights Reserved.
  #
  # Licensed 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.
  
  """This script runs all the unittests.
  
  See README.txt for usage.
  """
  
  import os
  import sys
  
  import unittest
  
  try:
    import dev_appserver  # pylint: disable-msg=C6204
  except ImportError:
  
    error_msg = ('The path to the App Engine Python SDK must be in the '
                 'PYTHONPATH environment variable to run unittests.')
  
    # The app engine SDK isn't in sys.path. If we're on Windows, we can try to
    # guess where it is.
    import platform  # pylint: disable-msg=C6204
    if platform.system() == 'Windows':
      sys.path.append('C:\\Program Files\\Google\\google_appengine')
      try:
        import dev_appserver  # pylint: disable-msg=C6204
      except ImportError:
        print error_msg
        raise
    else:
      print error_msg
      raise
  
  DIR_PATH = os.path.abspath(os.path.dirname(os.path.realpath(__file__)))
  
  
  def main():
  
    # add app engine libraries
    sys.path.extend(dev_appserver.EXTRA_PATHS)
  
    if len(sys.argv) == 2:
      file_pattern = sys.argv[1]
    else:
      file_pattern = '*_test.py'
  
    # setup a minimal / partial CGI environment
    os.environ['SERVER_NAME'] = 'localhost'
    os.environ['SERVER_SOFTWARE'] = 'Development/unittests'
    os.environ['PATH_INFO'] = '/moonbase'
  
    argv = ['', 'discover',
            '-v',  # verbose
            '-s', DIR_PATH,  # search path
            '-p', file_pattern  # test file pattern
           ]
    unittest.main(argv=argv)
  
  if __name__ == '__main__':
    main()
  
new_contents: #!/usr/bin/env python
  #
  # Copyright 2012 Google Inc. All Rights Reserved.
  #
  # Licensed 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.
  
  """This script runs all the unittests.
  
  See README.txt for usage.
  """
  
  import os
  import sys
  
  import unittest
  
  try:
    import dev_appserver  # pylint: disable-msg=C6204
  except ImportError:
  
    error_msg = ('The path to the App Engine Python SDK must be in the '
                 'PYTHONPATH environment variable to run unittests.')
  
    # The app engine SDK isn't in sys.path. If we're on Windows, we can try to
    # guess where it is.
    import platform  # pylint: disable-msg=C6204
    if platform.system() == 'Windows':
      sys.path.append('C:\\Program Files\\Google\\google_appengine')
      try:
        import dev_appserver  # pylint: disable-msg=C6204
      except ImportError:
        print error_msg
        raise
    else:
      print error_msg
      raise
  
  SCRIPT_DIR = os.path.abspath(os.path.dirname(os.path.realpath(__file__)))
  DIR_PATH = os.path.join(SCRIPT_DIR, '..')
  
  
  def main():
  
    # add app engine libraries
    sys.path.extend(dev_appserver.EXTRA_PATHS)
  
    if len(sys.argv) == 2:
      file_pattern = sys.argv[1]
    else:
      file_pattern = '*_test.py'
  
    # setup a minimal / partial CGI environment
    os.environ['SERVER_NAME'] = 'localhost'
    os.environ['SERVER_SOFTWARE'] = 'Development/unittests'
    os.environ['PATH_INFO'] = '/moonbase'
  
    argv = ['', 'discover',
            '-v',  # verbose
            '-s', DIR_PATH,  # search path
            '-p', file_pattern  # test file pattern
           ]
    unittest.main(argv=argv)
  
  if __name__ == '__main__':
    main()
  
subject: Fix run_tests.py