From 54984ce1e0b2f9438b005dace881dc42b5a10472 Mon Sep 17 00:00:00 2001
From: Andrey Semakin <and-semakin@ya.ru>
Date: Thu, 24 Jun 2021 12:06:01 +0500
Subject: [PATCH] Replace abc.ABCMeta with abc.ABC

---
 tenacity/__init__.py | 4 ++--
 tenacity/retry.py    | 2 +-
 tenacity/stop.py     | 2 +-
 tenacity/wait.py     | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/tenacity/__init__.py b/tenacity/__init__.py
index 7e27f8eb..a9d401e9 100644
--- a/tenacity/__init__.py
+++ b/tenacity/__init__.py
@@ -23,7 +23,7 @@
 import time
 import typing as t
 import warnings
-from abc import ABCMeta, abstractmethod
+from abc import ABC, abstractmethod
 from concurrent import futures
 from inspect import iscoroutinefunction
 
@@ -226,7 +226,7 @@ def __exit__(
             return None
 
 
-class BaseRetrying(metaclass=ABCMeta):
+class BaseRetrying(ABC):
     def __init__(
         self,
         sleep: t.Callable[[t.Union[int, float]], None] = sleep,
diff --git a/tenacity/retry.py b/tenacity/retry.py
index 8e5bfe55..31d5c46a 100644
--- a/tenacity/retry.py
+++ b/tenacity/retry.py
@@ -24,7 +24,7 @@
     from tenacity import RetryCallState
 
 
-class retry_base(metaclass=abc.ABCMeta):
+class retry_base(abc.ABC):
     """Abstract base class for retry strategies."""
 
     @abc.abstractmethod
diff --git a/tenacity/stop.py b/tenacity/stop.py
index 2e641307..d595b928 100644
--- a/tenacity/stop.py
+++ b/tenacity/stop.py
@@ -24,7 +24,7 @@
     from tenacity import RetryCallState
 
 
-class stop_base(metaclass=abc.ABCMeta):
+class stop_base(abc.ABC):
     """Abstract base class for stop strategies."""
 
     @abc.abstractmethod
diff --git a/tenacity/wait.py b/tenacity/wait.py
index 48733dc3..2f2d91be 100644
--- a/tenacity/wait.py
+++ b/tenacity/wait.py
@@ -26,7 +26,7 @@
     from tenacity import RetryCallState
 
 
-class wait_base(metaclass=abc.ABCMeta):
+class wait_base(abc.ABC):
     """Abstract base class for wait strategies."""
 
     @abc.abstractmethod