Hotfix for settings and SSH shell routine

  Related-PROD: PROD-36588

Change-Id: I63d6ae4a888dad81ae886c9b1e2bb5ea41139772
diff --git a/cfg_checker/nodes.py b/cfg_checker/nodes.py
index 0559132..cf2bdf7 100644
--- a/cfg_checker/nodes.py
+++ b/cfg_checker/nodes.py
@@ -694,12 +694,13 @@
         _h = self.nodes[node]['internalip']
         _p = 22
         if self.kube.is_local or self.kube.config.ssh_direct:
-            return None,
-            self._get_ssh_shell(
+            logger.debug("Getting shell with no port forward")
+            return [None, self._get_ssh_shell(
                 _h, _u, _k, _p, silent, piped,
                 timeout=self.kube.config.ssh_connect_timeout
-            )
+            )]
         else:
+            logger.debug("Getting shell with with forward")
             _fh = "localhost"
             _p = 10022 if not fport else fport
             _pfwd = PortForward(
@@ -720,7 +721,7 @@
                 piped,
                 timeout=self.kube.config.ssh_connect_timeout
             )
-            return _pfwd, _ssh
+            return [_pfwd, _ssh]
 
     def execute_script_on_node(self, node, script_filename, args=[]):
         # Prepare path