Skip AWS test if pymongo_auth_aws import fails

Author: aclark4life

tests/encryption_/tests.py

@@ -10,7 +10,6 @@
 from django.core.management import call_command
 from django.db import connections, models
 from django.test import TestCase, TransactionTestCase, modify_settings, override_settings
-from pymongo_auth_aws.auth import AwsCredential
 
 from django_mongodb_backend.encryption import EqualityQuery
 from django_mongodb_backend.fields import EncryptedFieldMixin
@@ -187,11 +186,16 @@ def setUp(self):
     @classmethod
     def setUpClass(cls):
         super().setUpClass()
+        try:
+            from pymongo_auth_aws.auth import AwsCredential
+
+            cls.patch_aws = patch(
+                "pymongocrypt.synchronous.credentials.aws_temp_credentials",
+                return_value=AwsCredential(username="", password="", token=""),
+            )
+        except ImportError:
+            cls.skipTest(cls, "pymongo_auth_aws not installed, skipping AWS credentials tests")
 
-        cls.patch_aws = patch(
-            "pymongocrypt.synchronous.credentials.aws_temp_credentials",
-            return_value=AwsCredential(username="", password="", token=""),
-        )
         cls.patch_aws.start()
 
         cls.patch_azure = patch(