Fixes trailing whitespaces in smtplib and test file

Author: codeZeilen

Lib/smtplib.py

@@ -891,7 +891,7 @@ def sendmail(self, from_addr, to_addrs, msg, mail_options=(),
         except SMTPDataError as ex:
             if ex.smtp_code == 421:
                 self.close()
-            else: 
+            else:
                 self._rset()
             raise
         if code != 250:

Lib/test/test_smtplib.py

@@ -1260,7 +1260,7 @@ def test__rest_from_mail_cmd(self):
         self.assertIsNone(smtp.sock)
 
     # The following 421 response tests for sendmail ensure that sendmail handles
-    # 421 respones correctly by closing the connection. sendmail has to take 
+    # 421 respones correctly by closing the connection. sendmail has to take
     # care of this, as it wraps a mail transaction for users.
 
     # Issue 5713: make sure close, not rset, is called if we get a 421 error