From 6f7800f6fd9db603758f12acc7f4c9ba12a5a8f5 Mon Sep 17 00:00:00 2001
From: "T. Franzel" <13507857+tfranzel@users.noreply.github.com>
Date: Thu, 12 Mar 2020 16:25:07 +0100
Subject: [PATCH] fix ABC warning

---
 drf_spectacular/plumbing.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drf_spectacular/plumbing.py b/drf_spectacular/plumbing.py
index d8ae4d8c..6d632eb3 100644
--- a/drf_spectacular/plumbing.py
+++ b/drf_spectacular/plumbing.py
@@ -1,6 +1,6 @@
-import collections
 import inspect
 import sys
+from collections.abc import Hashable
 
 from django import __version__ as DJANGO_VERSION
 from rest_framework import fields, serializers
@@ -40,7 +40,7 @@ def is_field(obj):
 
 
 def is_basic_type(obj):
-    if not isinstance(obj, collections.Hashable):
+    if not isinstance(obj, Hashable):
         return False
     return obj in OPENAPI_TYPE_MAPPING or obj in PYTHON_TYPE_MAPPING