Merge branch 'master' of gitlab.erc.monash.edu.au:hpc-team/strudelv2_tes

tes/sshwrapper/__init__.py

@@ -185,7 +185,7 @@ class Ssh:
         return
 
     @staticmethod
-    def sftpls(sess, host, user, sshport, path="",changepath="."):
+    def sftpls(sess, host, user, sshport, path=".",changepath="."):
         """
         Use sftp to run an ls on the given path.
         Return the directory listing (as a list) and the cwd
@@ -200,6 +200,10 @@ class Ssh:
         Ssh.validate_username(user)
         Ssh.validate_hostname(host)
         ctrlsocket = Ssh.get_ctrl_master_socket(sess, host, user, sshport)
+        if (path is None or path == ""):
+            path="."
+        if (changepath is None or changepath == ""):
+            changepath="."
         exec_p = subprocess.Popen(['sftp', '-b', '-','-o', 'Stricthostkeychecking=no',
                                    '-P', sshport, '-o', 'ControlPath={}'.format(ctrlsocket),
                                    '{}@{}'.format(user, host)],