old_contents: """
  urllib3 - Thread-safe connection pooling and re-using.
  """
  
  __author__ = 'Andrey Petrov (andrey.petrov@shazow.net)'
  __license__ = 'MIT'
  __version__ = '1.10.2'
  
  
  from .connectionpool import (
      HTTPConnectionPool,
      HTTPSConnectionPool,
      connection_from_url
  )
  
  from . import exceptions
  from .filepost import encode_multipart_formdata
  from .poolmanager import PoolManager, ProxyManager, proxy_from_url
  from .response import HTTPResponse
  from .util.request import make_headers
  from .util.url import get_host
  from .util.timeout import Timeout
  from .util.retry import Retry
  
  
  # Set default logging handler to avoid "No handler found" warnings.
  import logging
  try:  # Python 2.7+
      from logging import NullHandler
  except ImportError:
      class NullHandler(logging.Handler):
          def emit(self, record):
              pass
  
  logging.getLogger(__name__).addHandler(NullHandler())
  
  def add_stderr_logger(level=logging.DEBUG):
      """
      Helper for quickly adding a StreamHandler to the logger. Useful for
      debugging.
  
      Returns the handler after adding it.
      """
      # This method needs to be in this __init__.py to get the __name__ correct
      # even if urllib3 is vendored within another package.
      logger = logging.getLogger(__name__)
      handler = logging.StreamHandler()
      handler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s %(message)s'))
      logger.addHandler(handler)
      logger.setLevel(level)
      logger.debug('Added a stderr logging handler to logger: %s' % __name__)
      return handler
  
  # ... Clean up.
  del NullHandler
  
  
  # Set security warning to always go off by default, but leave InsecurePlatform
  # alone
  import warnings
  warnings.simplefilter('always', exceptions.SecurityWarning)
  warnings.simplefilter('default', exceptions.InsecurePlatformWarning)
  
  def disable_warnings(category=exceptions.HTTPWarning):
      """
      Helper for quickly disabling all urllib3 warnings.
      """
      warnings.simplefilter('ignore', category)
  
new_contents: """
  urllib3 - Thread-safe connection pooling and re-using.
  """
  
  __author__ = 'Andrey Petrov (andrey.petrov@shazow.net)'
  __license__ = 'MIT'
  __version__ = '1.10.2'
  
  
  from .connectionpool import (
      HTTPConnectionPool,
      HTTPSConnectionPool,
      connection_from_url
  )
  
  from . import exceptions
  from .filepost import encode_multipart_formdata
  from .poolmanager import PoolManager, ProxyManager, proxy_from_url
  from .response import HTTPResponse
  from .util.request import make_headers
  from .util.url import get_host
  from .util.timeout import Timeout
  from .util.retry import Retry
  
  
  # Set default logging handler to avoid "No handler found" warnings.
  import logging
  try:  # Python 2.7+
      from logging import NullHandler
  except ImportError:
      class NullHandler(logging.Handler):
          def emit(self, record):
              pass
  
  logging.getLogger(__name__).addHandler(NullHandler())
  
  def add_stderr_logger(level=logging.DEBUG):
      """
      Helper for quickly adding a StreamHandler to the logger. Useful for
      debugging.
  
      Returns the handler after adding it.
      """
      # This method needs to be in this __init__.py to get the __name__ correct
      # even if urllib3 is vendored within another package.
      logger = logging.getLogger(__name__)
      handler = logging.StreamHandler()
      handler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s %(message)s'))
      logger.addHandler(handler)
      logger.setLevel(level)
      logger.debug('Added a stderr logging handler to logger: %s' % __name__)
      return handler
  
  # ... Clean up.
  del NullHandler
  
  
  import warnings
  # SecurityWarning's always go off by default.
  warnings.simplefilter('always', exceptions.SecurityWarning)
  # InsecurePlatformWarning's don't vary between requests, so we keep it default.
  warnings.simplefilter('default', exceptions.InsecurePlatformWarning)
  
  def disable_warnings(category=exceptions.HTTPWarning):
      """
      Helper for quickly disabling all urllib3 warnings.
      """
      warnings.simplefilter('ignore', category)
  
subject: Improve warnings-related comments.