Restoring authorship annotation for <shadchin@yandex-team.ru>. Commit 1 of 2.

1 files changed, 6 insertions, 6 deletions

diff --git a/contrib/python/tornado/tornado-4/tornado/httputil.py b/contrib/python/tornado/tornado-4/tornado/httputil.py
index 9654b5ab4b..b4de272c80 100644
--- a/contrib/python/tornado/tornado-4/tornado/httputil.py
+++ b/contrib/python/tornado/tornado-4/tornado/httputil.py
@@ -31,11 +31,11 @@ import numbers
 import re
 import time
 
-try:
-    from collections.abc import MutableMapping
-except ImportError:
-    from collections import MutableMapping
-
+try: 
+    from collections.abc import MutableMapping 
+except ImportError: 
+    from collections import MutableMapping 
+ 
 from tornado.escape import native_str, parse_qs_bytes, utf8
 from tornado.log import gen_log
 from tornado.util import ObjectDict, PY3
@@ -108,7 +108,7 @@ class _NormalizedHeaderCache(dict):
 _normalized_headers = _NormalizedHeaderCache(1000)
 
 
-class HTTPHeaders(MutableMapping):
+class HTTPHeaders(MutableMapping): 
     """A dictionary that maintains ``Http-Header-Case`` for all keys.
 
     Supports multiple values per key via a pair of new methods,