Add http_client to six.moves, add missing functions to urllib2 fix some types in gettext (#262)

stdlib/2.7/gettext.pyi

@@ -22,7 +22,7 @@ class Translations(object):
     def ugettext(self, message: str) -> unicode: ...
     def ngettext(self, singular: str, plural: str, n: int) -> str: ...
     def lngettext(self, singular: str, plural: str, n: int) -> str: ...
-    def ungettext(self, singular: str, plural: str, n: int) -> str: ...
+    def ungettext(self, singular: str, plural: str, n: int) -> unicode: ...
     def info(self) -> Any: ...
     def charset(self) -> Any: ...
     def output_charset(self) -> Any: ...

stdlib/2.7/urllib2.pyi

@@ -1,4 +1,5 @@
 
+from typing import AnyStr
 from urllib import addinfourl
 
 class URLError(IOError): ...
@@ -149,3 +150,6 @@ class CacheFTPHandler(FTPHandler):
     def setMaxConns(self, m): ...
     def check_cache(self): ...
     def clear_cache(self): ...
+
+def parse_http_list(s: AnyStr) -> List[AnyStr] : ...
+def parse_keqv_list(l: List[AnyStr]) -> Dict[AnyStr, AnyStr]: ...

third_party/2.7/six/moves/__init__.pyi

@@ -23,8 +23,10 @@ from itertools import izip_longest as zip_longest
 import six.moves.cPickle as cPickle
 import HTMLParser as html_parser
 import htmlentitydefs as html_entities
+import httplib as http_client
 
 import six.moves.urllib_parse as urllib_parse
 import six.moves.urllib_error as urllib_error
 import six.moves.urllib as urllib
 import six.moves.urllib_robotparser as urllib_robotparser
+

third_party/3/six/moves/__init__.pyi

@@ -26,6 +26,7 @@ from itertools import zip_longest as zip_longest
 import six.moves.cPickle as cPickle
 import html.parser as html_parser
 import html.entities as html_entities
+import http.client as http_client
 
 import six.moves.urllib_parse as urllib_parse
 import six.moves.urllib_error as urllib_error