[misc] Concat strings explicitly

kibicara/platforms/email/bot.py

@@ -44,8 +44,8 @@ class EmailBot(Censor):
                 token = to_token(email=subscriber.email, hood=self.hood.id)
                 body = (
                     '{0}\n\n--\n'
-                    'If you want to stop receiving these mails,'
-                    'follow this link: {1}/hoods/{2}/email-unsubscribe?token={3}'
+                    + 'If you want to stop receiving these mails,'
+                    + 'follow this link: {1}/hoods/{2}/email-unsubscribe?token={3}'
                 ).format(message.text, config['frontend_url'], self.hood.id, token)
                 try:
                     logger.debug('Trying to send: \n{0}'.format(body))

tests/tests_email/test_api_email_happy_path.py

@@ -20,7 +20,7 @@ def test_email_subscribe_unsubscribe(client, hood_id, receive_email):
     body = mail['body']
     confirm_url = findall(
         r'http[s]?://'
-        r'(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+',
+        + r'(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+',
         body,
     )[0]
     start = len('token=')