Pin to moto<5 until we drop python 3.7 support

tests/test_s3.py

@@ -19,7 +19,7 @@
 from django.test import TestCase
 from django.test import override_settings
 from django.utils.timezone import is_aware
-from moto import mock_aws
+from moto import mock_s3
 
 from storages.backends import s3
 from tests.utils import NonSeekableContentFile
@@ -1040,10 +1040,10 @@ def test_reopening(self):
         self.assertIsNone(f._multipart)
 
 
-@mock_aws
+@mock_s3
 class S3StorageTestsWithMoto(TestCase):
     """
-    Using mock_aws as a class decorator automatically decorates methods,
+    Using mock_s3 as a class decorator automatically decorates methods,
     but NOT classmethods or staticmethods.
     """
 

tox.ini

@@ -21,7 +21,8 @@ deps =
 	django4.2: django~=4.2.0
 	django5.0: django~=5.0b1
 	djangomain: https://github.com/django/django/archive/main.tar.gz
-	moto>=5.0
+	# 5 changes API a bit and also requires python 3.8+, so keep this until we drop py 3.7
+	moto<5
 	pytest
 	pytest-cov
 	rsa