Merge pull request #57 from bentsi/master

Improved Authentication excpetion text in SSHClient

Author: pkittenis

pssh/ssh_client.py

@@ -180,7 +180,7 @@ def _connect(self, client, host, port, sock=None, retries=1):
                                            self.host, self.port,
                                            str(error_type), retries, self.num_retries,)
         except paramiko.AuthenticationException, ex:
-            msg = "Host is '%s:%s'"
+            msg = "Authentication error while connecting to %s:%s."
             raise AuthenticationException(msg, host, port)
         # SSHException is more general so should be below other types
         # of SSH failure