I think I found the lock error

tes/sshwrapper/__init__.py

@@ -101,7 +101,8 @@ class Ssh:
         try:
             check_p = subprocess.Popen(cmd,stdout=subprocess.PIPE,stderr=subprocess.PIPE,stdin=None)
             (stderr,stdout) = check_p.communicate(timeout=Ssh.TIMEOUT)
-            
+        except subprocess.TimeoutExpired as e:
+            raise e
         return check_p.returncode == 0
 
     @staticmethod