I have an issue with the test, not sure why?

app/clients/email/__init__.py

@@ -0,0 +1,17 @@
+from app.clients import ClientException, Client
+
+
+class EmailClientException(ClientException):
+    '''
+    Base Exception for EmailClients
+    '''
+    pass
+
+
+class EmailClient(Client):
+    '''
+    Base Email client for sending emails.
+    '''
+
+    def send_email(self, *args, **kwargs):
+        raise NotImplemented('TODO Need to implement.')

app/clients/email/aws_ses.py

@@ -0,0 +1,52 @@
+import boto3
+
+from app.clients.email import (EmailClientException, EmailClient)
+
+
+class AwsSesClientException(EmailClientException):
+    pass
+
+
+class AwsSesClient(EmailClient):
+    '''
+    Amazon SES email client.
+    '''
+
+    def init_app(self, region, *args, **kwargs):
+        self._client = boto3.client('ses', region_name=region)
+        super(AwsSesClient, self).__init__(*args, **kwargs)
+
+    def send_email(self,
+                   source,
+                   to_addresses,
+                   subject,
+                   body,
+                   reply_to_addresses=None):
+        try:
+            if isinstance(to_addresses, str):
+                to_addresses = [to_addresses]
+            if reply_to_addresses and isinstance(reply_to_addresses, str):
+                reply_to_addresses = [reply_to_addresses]
+            elif reply_to_addresses is None:
+                reply_to_addresses = []
+
+            response = self._client.send_email(
+                Source=source,
+                Destination={
+                    'ToAddresses': to_addresses,
+                    'CcAddresses': [],
+                    'BccAddresses': []
+                },
+                Message={
+                    'Subject': {
+                        'Data': subject,
+                    },
+                    'Body': {
+                        'Text': {
+                            'Data': body}}
+                },
+                ReplyToAddresses=reply_to_addresses)
+            return response['MessageId']
+        except Exception as e:
+            # TODO logging exceptions
+            raise AwsSesClientException(str(e))

app/clients/sms/firetext.py

@@ -40,7 +40,7 @@ class FiretextClient(SmsClient):
             response.raise_for_status()
         except RequestException as e:
             api_error = HTTPError.create(e)
-            print(
+            logger.error(
                 "API {} request on {} failed with {} '{}'".format(
                     "POST",
                     "https://www.firetext.co.uk/api/sendsms",