old_contents: import sys
  
  SUPPORTED_VERSIONS = [(2, 7), (3, 6), (3, 7)]
  
  python_major_version = sys.version_info[0]
  python_minor_version = sys.version_info[1]
  
  if (python_major_version, python_minor_version) not in SUPPORTED_VERSIONS:
      formatted_supported_versions = ['{}.{}'.format(mav, miv) for mav, miv in SUPPORTED_VERSIONS]
      err_msg = 'This version of Python ({}.{}) is not supported!\n'.format(python_major_version, python_minor_version) +\
                'Zappa (and AWS Lambda) support the following versions of Python: {}'.format(formatted_supported_versions)
      raise RuntimeError(err_msg)
  
  __version__ = '0.47.1'
  
new_contents: import sys
  
  SUPPORTED_VERSIONS = [(2, 7), (3, 6), (3, 7)]
  
  if sys.version_info[:2] not in SUPPORTED_VERSIONS:
      formatted_supported_versions = ['{}.{}'.format(*version) for version in SUPPORTED_VERSIONS]
      err_msg = ('This version of Python ({}.{}) is not supported!\n'.format(*sys.version_info) +
                 'Zappa (and AWS Lambda) support the following versions of Python: {}'.format(formatted_supported_versions))
      raise RuntimeError(err_msg)
  
  __version__ = '0.47.1'
  
subject: Simplify Python version detection and remove the backslash