text: # -*- coding: utf-8 -*-
  
  """
  requests.compat
  ~~~~~~~~~~~~~~~
  
  This module handles import compatibility issues between Python 2 and
  Python 3.
  """
  
  from pip._vendor import chardet
  
  import sys
  
  # -------
  # Pythons
  # -------
  
  # Syntax sugar.
  _ver = sys.version_info
  
  #: Python 2.x?
  is_py2 = (_ver[0] == 2)
  
  #: Python 3.x?
  is_py3 = (_ver[0] == 3)
  
  # Note: We've patched out simplejson support in pip because it prevents
  #       upgrading simplejson on Windows.
  # try:
  #     import simplejson as json
  # except (ImportError, SyntaxError):
  #     # simplejson does not support Python 3.2, it throws a SyntaxError
  #     # because of u'...' Unicode literals.
  import json
  
  # ---------
  # Specifics
  # ---------
  
  if is_py2:
      from urllib import (
          quote, unquote, quote_plus, unquote_plus, urlencode, getproxies,
          proxy_bypass, proxy_bypass_environment, getproxies_environment)
      from urlparse import urlparse, urlunparse, urljoin, urlsplit, urldefrag
      from urllib2 import parse_http_list
      import cookielib
      from Cookie import Morsel
      from StringIO import StringIO
      from collections import Callable, Mapping, MutableMapping, OrderedDict
  
  
      builtin_str = str
      bytes = str
      str = unicode
      basestring = basestring
      numeric_types = (int, long, float)
      integer_types = (int, long)
  
  elif is_py3:
      from urllib.parse import urlparse, urlunparse, urljoin, urlsplit, urlencode, quote, unquote, quote_plus, unquote_plus, urldefrag
      from urllib.request import parse_http_list, getproxies, proxy_bypass, proxy_bypass_environment, getproxies_environment
      from http import cookiejar as cookielib
      from http.cookies import Morsel
      from io import StringIO
      from collections import OrderedDict
      from collections.abc import Callable, Mapping, MutableMapping
  
      builtin_str = str
      str = str
      bytes = bytes
      basestring = (str, bytes)
      numeric_types = (int, float)
      integer_types = (int,)
  