fix nxos parse response KeyError (#28602)

* fix nxos parse response

Signed-off-by: Trishna Guha <trishnaguha17@gmail.com>

* use get() method instead

lib/ansible/module_utils/nxos.py

@@ -288,18 +288,19 @@ class Nxapi:
             except ValueError:
                 self._module.fail_json(msg='unable to parse response')
 
-            output = response['ins_api']['outputs']['output']
-            for item in to_list(output):
-                if check_status and item['code'] != '200':
-                    self._error(output=output, **item)
-                elif 'body' in item:
-                    result.append(item['body'])
-                # else:
-                    # error in command but since check_status is disabled
-                    # silently drop it.
-                    # result.append(item['msg'])
-
-        return result
+            if response['ins_api'].get('outputs'):
+                output = response['ins_api']['outputs']['output']
+                for item in to_list(output):
+                    if check_status and item['code'] != '200':
+                        self._error(output=output, **item)
+                    elif 'body' in item:
+                        result.append(item['body'])
+                    # else:
+                        # error in command but since check_status is disabled
+                        # silently drop it.
+                        # result.append(item['msg'])
+
+            return result
 
     def get_config(self, flags=[]):
         """Retrieves the current config from the device or cache