Whitespace fix

Author: RedProkofiev

ssm/ssm2.py

@@ -500,7 +500,7 @@ def send_all(self):
                     log_string = "Sent %s, Argo ID: %s" % (msgid, argo_id)
                 else:
                     log_string = "Message %s is empty and returns a None type." % (msgid)
-            
+
             else:
                 # The SSM has been improperly configured
                 raise Ssm2Exception('Unknown messaging protocol: %s' %