old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  # flake8: noqa
  """Python 2/3 compatibility support."""
  import sys
  
  
  PY2 = sys.version_info[0] == 2
  PY3 = sys.version_info[0] == 3
  PY33 = sys.version_info[0:2] >= (3, 3)
  
  if PY2:
      reload(sys)
      sys.setdefaultencoding('utf8')
      import urllib2
      from urllib import urlencode
      from urllib2 import URLError
      from urllib2 import quote
      from urllib2 import unquote
      from urllib2 import urlopen
      from urlparse import parse_qsl
      from HTMLParser import HTMLParser
  
      def install_proxy(proxy_handler):
          """
          install global proxy.
          :param proxy_handler:
              :samp:`{"http":"http://my.proxy.com:1234", "https":"https://my.proxy.com:1234"}`
          :return:
          """
          proxy_support = urllib2.ProxyHandler(proxy_handler)
          opener = urllib2.build_opener(proxy_support)
          urllib2.install_opener(opener)
  
      def unescape(s):
          """Strip HTML entries from a string."""
          html_parser = HTMLParser()
          return html_parser.unescape(s)
  
      def unicode(s):
          """Encode a string to utf-8."""
          return s.encode('utf-8')
  
  elif PY3:
      from urllib.error import URLError
      from urllib.parse import parse_qsl
      from urllib.parse import quote
      from urllib.parse import unquote
      from urllib.parse import urlencode
      from urllib.request import urlopen
      from urllib import request
  
      def install_proxy(proxy_handler):
          proxy_support = request.ProxyHandler(proxy_handler)
          opener = request.build_opener(proxy_support)
          request.install_opener(opener)
  
      def unicode(s):
          """No-op."""
          return s
  
      if PY33:
          from html.parser import HTMLParser
  
          def unescape(s):
              """Strip HTML entries from a string."""
              html_parser = HTMLParser()
              return html_parser.unescape(s)
      else:
          from html import unescape
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  # flake8: noqa
  """Python 2/3 compatibility support."""
  import sys
  
  
  PY2 = sys.version_info[0] == 2
  PY3 = sys.version_info[0] == 3
  PY33 = sys.version_info[0:2] >= (3, 3)
  
  if PY2:
      reload(sys)
      sys.setdefaultencoding('utf8')
      import urllib2
      from urllib import urlencode
      from urllib2 import URLError
      from urllib2 import quote
      from urllib2 import unquote
      from urllib2 import urlopen
      from urlparse import parse_qsl
      from urlparse import parse_qs
      from HTMLParser import HTMLParser
  
      def install_proxy(proxy_handler):
          """
          install global proxy.
          :param proxy_handler:
              :samp:`{"http":"http://my.proxy.com:1234", "https":"https://my.proxy.com:1234"}`
          :return:
          """
          proxy_support = urllib2.ProxyHandler(proxy_handler)
          opener = urllib2.build_opener(proxy_support)
          urllib2.install_opener(opener)
  
      def unescape(s):
          """Strip HTML entries from a string."""
          html_parser = HTMLParser()
          return html_parser.unescape(s)
  
      def unicode(s):
          """Encode a string to utf-8."""
          return s.encode('utf-8')
  
  elif PY3:
      from urllib.error import URLError
      from urllib.parse import parse_qsl
      from urllib.parse import parse_qs
      from urllib.parse import quote
      from urllib.parse import unquote
      from urllib.parse import urlencode
      from urllib.request import urlopen
      from urllib import request
  
      def install_proxy(proxy_handler):
          proxy_support = request.ProxyHandler(proxy_handler)
          opener = request.build_opener(proxy_support)
          request.install_opener(opener)
  
      def unicode(s):
          """No-op."""
          return s
  
      if PY33:
          from html.parser import HTMLParser
  
          def unescape(s):
              """Strip HTML entries from a string."""
              html_parser = HTMLParser()
              return html_parser.unescape(s)
      else:
          from html import unescape
  
subject: Fix #467 KeyError: 'url_encoded_fmt_stream_map'