removed dict comprehension as 2.6 does not like

lib/ansible/executor/process/result.py

@@ -108,7 +108,9 @@ class ResultProcess(multiprocessing.Process):
 
                 # if this task is registering a result, do it now
                 if result._task.register:
-                    res = {k: result._result[k] for k in set(result._result.keys()).difference(C.RESULT_SANITIZE)}
+                    res = {}
+                    for k in set(result._result.keys()).difference(C.RESULT_SANITIZE):
+                        res[k] = result._result[k]
                     self._send_result(('register_host_var', result._host, result._task.register, res))
 
                 # send callbacks, execute other options based on the result status

lib/ansible/plugins/callback/__init__.py

@@ -53,7 +53,10 @@ class CallbackBase:
         return json.dumps(res, indent=indent, ensure_ascii=False, sort_keys=sort_keys)
 
     def _sanitize_result(self, result):
-        return {k: result[k] for k in set(result.keys()).difference(C.RESULT_SANITIZE)}
+        res = {}
+        for k in set(result.keys()).difference(C.RESULT_SANITIZE):
+            res[k] = result[k]
+        return res
 
     def set_connection_info(self, conn_info):
         pass