Added the required verbosity reference

src/documents/mail.py

@@ -44,6 +44,8 @@ class Message(Renderable):
         https://www.ianlewis.org/en/parsing-email-attachments-python
         """
 
+        self.verbosity = verbosity
+
         self.subject = None
         self.time = None
         self.attachment = None

src/documents/tests/test_mail.py

@@ -27,7 +27,7 @@ class TestMessage(TestCase):
 
         with open(self.sample, "rb") as f:
 
-            message = Message(f.read())
+            message = Message(f.read(), verbosity=0)
 
             self.assertTrue(message)
             self.assertEqual(message.subject, "Test 0")