Fix unit tests on Python 3.10.

test/units/module_utils/basic/test_exit_json.py

@@ -104,6 +104,8 @@ class TestAnsibleModuleExitJson:
 
         if sys.version_info < (3,):
             error_msg = "fail_json() takes exactly 2 arguments (1 given)"
+        elif sys.version_info >= (3, 10):
+            error_msg = "AnsibleModule.fail_json() missing 1 required positional argument: 'msg'"
         else:
             error_msg = "fail_json() missing 1 required positional argument: 'msg'"
 

test/units/parsing/vault/test_vault.py

@@ -543,6 +543,7 @@ class TestVaultCipherAes256(unittest.TestCase):
         self.assertIsInstance(b_key_2, six.binary_type)
         self.assertEqual(b_key_1, b_key_2)
 
+        if vault.HAS_PYCRYPTO:
             # And again with pycrypto
             b_key_3 = self.vault_cipher._create_key_pycrypto(b_password, b_salt, key_length=32, iv_length=16)
             self.assertIsInstance(b_key_3, six.binary_type)
@@ -555,6 +556,8 @@ class TestVaultCipherAes256(unittest.TestCase):
             self.assertEqual(b_key_3, b_key_4)
             self.assertEqual(b_key_1, b_key_4)
 
+    @pytest.mark.skipif(not vault.HAS_PYCRYPTO,
+                        reason='PyCrypto is not installed')
     def test_create_key_known_pycrypto(self):
         b_password = b'hunter42'
 

test/units/requirements.txt

@@ -1,4 +1,4 @@
-pycrypto
+pycrypto ; python_version < '3.10'  # pycrypto is not compatible with Python 3.10
 passlib
 pywinrm
 pytz