From c8bf79c202c6e3c7d31d3f8b95cdb42af52eda92 Mon Sep 17 00:00:00 2001
From: Andrew Svetlov <andrew.svetlov@gmail.com>
Date: Sat, 20 Feb 2016 19:32:53 -0400
Subject: [PATCH] Replace ABCMeta with just ABC

---
 aiohttp/abc.py               | 8 ++++----
 aiohttp/protocol.py          | 4 ++--
 aiohttp/web_urldispatcher.py | 2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/aiohttp/abc.py b/aiohttp/abc.py
index 1e0faa471b3..39218e40891 100644
--- a/aiohttp/abc.py
+++ b/aiohttp/abc.py
@@ -1,12 +1,12 @@
 import asyncio
 import sys
-from abc import ABCMeta, abstractmethod
+from abc import ABC, abstractmethod
 
 
 PY_35 = sys.version_info >= (3, 5)
 
 
-class AbstractRouter(metaclass=ABCMeta):
+class AbstractRouter(ABC):
 
     @asyncio.coroutine  # pragma: no branch
     @abstractmethod
@@ -14,7 +14,7 @@ def resolve(self, request):
         """Return MATCH_INFO for given request"""
 
 
-class AbstractMatchInfo(metaclass=ABCMeta):
+class AbstractMatchInfo(ABC):
 
     @asyncio.coroutine  # pragma: no branch
     @abstractmethod
@@ -36,7 +36,7 @@ def get_info(self):
         """Return a dict with additional info useful for introspection"""
 
 
-class AbstractView(metaclass=ABCMeta):
+class AbstractView(ABC):
 
     def __init__(self, request):
         self._request = request
diff --git a/aiohttp/protocol.py b/aiohttp/protocol.py
index b22fd923de9..2928f90aa7c 100644
--- a/aiohttp/protocol.py
+++ b/aiohttp/protocol.py
@@ -7,7 +7,7 @@
 import string
 import sys
 import zlib
-from abc import abstractmethod, ABCMeta
+from abc import abstractmethod, ABC
 from wsgiref.handlers import format_date_time
 
 import aiohttp
@@ -481,7 +481,7 @@ def filter_pipe(filter, filter2, *,
         chunk = yield EOL_MARKER
 
 
-class HttpMessage(metaclass=ABCMeta):
+class HttpMessage(ABC):
     """HttpMessage allows to write headers and payload to a stream.
 
     For example, lets say we want to read file then compress it with deflate
diff --git a/aiohttp/web_urldispatcher.py b/aiohttp/web_urldispatcher.py
index e9e57ed9ff5..e7361463012 100644
--- a/aiohttp/web_urldispatcher.py
+++ b/aiohttp/web_urldispatcher.py
@@ -66,7 +66,7 @@ def _append_query(url, query):
             return url
 
 
-class AbstractRoute(metaclass=abc.ABCMeta):
+class AbstractRoute(abc.ABC):
     METHODS = hdrs.METH_ALL | {hdrs.METH_ANY}
 
     def __init__(self, method, handler, *,