Update send_a_single_email_to_a_single_recipient.md

Author: childish-sambino

use_cases/send_a_single_email_to_a_single_recipient.md

@@ -15,5 +15,5 @@ try:
     print(response.body)
     print(response.headers)
 except Exception as e:
-    print(e.message)
-```
+    print(e)
+```