From 7a0a5c38b31901ef58c4790e59e3190b1d70c730 Mon Sep 17 00:00:00 2001
From: Matt Davis <matteius@gmail.com>
Date: Mon, 25 Sep 2017 09:16:31 -0400
Subject: [PATCH] revised language and approach to import the system check

Adds a rest framework app config.
---
 rest_framework/__init__.py |  3 ++-
 rest_framework/apps.py     | 10 ++++++++++
 rest_framework/checks.py   | 10 ++++------
 3 files changed, 16 insertions(+), 7 deletions(-)
 create mode 100644 rest_framework/apps.py

diff --git a/rest_framework/__init__.py b/rest_framework/__init__.py
index 2b6c5b78d..7a5117769 100644
--- a/rest_framework/__init__.py
+++ b/rest_framework/__init__.py
@@ -6,7 +6,6 @@ ______ _____ _____ _____    __
 | |\ \| |___/\__/ / | |   | | | | | (_| | | | | | |  __/\ V  V / (_) | |  |   <
 \_| \_\____/\____/  \_/   |_| |_|  \__,_|_| |_| |_|\___| \_/\_/ \___/|_|  |_|\_|
 """
-from .checks import *  # NOQA
 
 __title__ = 'Django REST framework'
 __version__ = '3.6.3'
@@ -22,3 +21,5 @@ HTTP_HEADER_ENCODING = 'iso-8859-1'
 
 # Default datetime input and output formats
 ISO_8601 = 'iso-8601'
+
+default_app_config = 'rest_framework.apps.RestFrameworkConfig'
diff --git a/rest_framework/apps.py b/rest_framework/apps.py
new file mode 100644
index 000000000..f6013eb7e
--- /dev/null
+++ b/rest_framework/apps.py
@@ -0,0 +1,10 @@
+from django.apps import AppConfig
+
+
+class RestFrameworkConfig(AppConfig):
+    name = 'rest_framework'
+    verbose_name = "Django REST framework"
+
+    def ready(self):
+        # Add System checks
+        from .checks import pagination_system_check  # NOQA
diff --git a/rest_framework/checks.py b/rest_framework/checks.py
index 7ad51c1d4..af6634d1e 100644
--- a/rest_framework/checks.py
+++ b/rest_framework/checks.py
@@ -9,12 +9,10 @@ def pagination_system_check(app_configs, **kwargs):
     if api_settings.PAGE_SIZE and not api_settings.DEFAULT_PAGINATION_CLASS:
         errors.append(
             Warning(
-                "You have specified a default `PAGE_SIZE` pagination rest_framework setting,"
-                "without specifying also a `DEFAULT_PAGINATION_CLASS`.",
-                hint="The prior version of rest_framework defaulted this setting to "
-                "`PageNumberPagination` however pagination defaults to disabled now.  "
-                "Consider specifying `DEFAULT_PAGINATION_CLASS` explicitly for your project, "
-                "unless you specify individual pagination_class values on specific view classes.",
+                "You have specified a default PAGE_SIZE pagination rest_framework setting,"
+                "without specifying also a DEFAULT_PAGINATION_CLASS.",
+                hint="The default for DEFAULT_PAGINATION_CLASS is None. "
+                     "In previous versions this was PageNumberPagination",
             )
         )
     return errors