revert to older requests version

lib/requests/status_codes.py

@@ -1,22 +1,5 @@
 # -*- coding: utf-8 -*-
 
-r"""
-The ``codes`` object defines a mapping from common names for HTTP statuses
-to their numerical codes, accessible either as attributes or as dictionary
-items.
-
->>> requests.codes['temporary_redirect']
-307
->>> requests.codes.teapot
-418
->>> requests.codes['\o/']
-200
-
-Some codes have multiple names, and both upper- and lower-case versions of
-the names are allowed. For example, ``codes.ok``, ``codes.OK``, and
-``codes.okay`` all correspond to the HTTP status code 200.
-"""
-
 from .structures import LookupDict
 
 _codes = {
@@ -48,7 +31,7 @@ _codes = {
     306: ('switch_proxy',),
     307: ('temporary_redirect', 'temporary_moved', 'temporary'),
     308: ('permanent_redirect',
-          'resume_incomplete', 'resume',),  # These 2 to be removed in 3.0
+          'resume_incomplete', 'resume',), # These 2 to be removed in 3.0
 
     # Client Error.
     400: ('bad_request', 'bad'),
@@ -70,7 +53,6 @@ _codes = {
     416: ('requested_range_not_satisfiable', 'requested_range', 'range_not_satisfiable'),
     417: ('expectation_failed',),
     418: ('im_a_teapot', 'teapot', 'i_am_a_teapot'),
-    421: ('misdirected_request',),
     422: ('unprocessable_entity', 'unprocessable'),
     423: ('locked',),
     424: ('failed_dependency', 'dependency'),
@@ -96,25 +78,12 @@ _codes = {
     507: ('insufficient_storage',),
     509: ('bandwidth_limit_exceeded', 'bandwidth'),
     510: ('not_extended',),
-    511: ('network_authentication_required', 'network_auth', 'network_authentication'),
 }
 
 codes = LookupDict(name='status_codes')
 
-def _init():
-    for code, titles in _codes.items():
-        for title in titles:
-            setattr(codes, title, code)
-            if not title.startswith(('\\', '/')):
-                setattr(codes, title.upper(), code)
-
-    def doc(code):
-        names = ', '.join('``%s``' % n for n in _codes[code])
-        return '* %d: %s' % (code, names)
-
-    global __doc__
-    __doc__ = (__doc__ + '\n' +
-               '\n'.join(doc(code) for code in sorted(_codes))
-               if __doc__ is not None else None)
-
-_init()
+for (code, titles) in list(_codes.items()):
+    for title in titles:
+        setattr(codes, title, code)
+        if not title.startswith('\\'):
+            setattr(codes, title.upper(), code)