fix some bugs in monitor

1.send bytes data to the socket
see https://docs.python.org/3/library/socket.html
2.fix a endless loop

Change-Id: I880e713266347d8836cec45ebf9a500bb7c813f4
Signed-off-by: dongwenjuan <dong.wenjuan@zte.com.cn>

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/utils.py b/tests/utils.py
index f57cd266..41e22353 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -56,7 +56,7 @@ class SSHClient(object):
         ret = stdout.channel.recv_exit_status()
         output = list()
         for line in stdout.read().splitlines():
-            output.append(line)
+            output.append(line.decode('utf-8'))
         if ret:
             if self.log:
                 self.log.debug("*** FAILED to run command %s (%s)" % (command, ret))