diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py
index 93d3866ec7..97cba2ec2b 100644
--- a/synapse/push/mailer.py
+++ b/synapse/push/mailer.py
@@ -45,4 +45,4 @@ class Mailer(object):
 
         smtp = smtplib.SMTP(self.smtp_host, self.smtp_port)
         smtp.sendmail(raw_from, raw_to, text_part.as_string())
-        smtp.quit()
\ No newline at end of file
+        smtp.quit()