Fix RUF059 violations

Author: guoguojenna

configshell/node.py

@@ -1683,7 +1683,7 @@ def list_group_params(self, group, writable=None):
         else:
             params = []
             for p_name, p_def in self._configuration_groups[group].items():
-                (p_type, p_description, p_writable) = p_def
+                (_p_type, _p_description, p_writable) = p_def
                 if writable is not None and p_writable != writable:
                     continue
                 params.append(p_name)

configshell/shell.py

@@ -557,7 +557,7 @@ def _complete_token_kparam(self, text, path, command, pparams, kparams):
         cmd_params = target.get_command_signature(command)[0]
         self.log.debug(f"Command {command} accepts parameters {cmd_params}.")
 
-        (keyword, sep, current_value) = text.partition('=')
+        (keyword, _sep, current_value) = text.partition('=')
         self.log.debug(f"Completing '{current_value}' for kparam {keyword}")
 
         self._current_parameter = keyword