fix no self pointer out of class.

lib/ansible/utils/display.py

@@ -46,7 +46,7 @@ debug_lock = Lock()
 if C.DEFAULT_LOG_PATH:
     path = C.DEFAULT_LOG_PATH
     if (os.path.exists(path) and not os.access(path, os.W_OK)) and not os.access(os.path.dirname(path), os.W_OK):
-        self._display.warning("log file at %s is not writeable, aborting\n" % path)
+        print("[WARNING]: log file at %s is not writeable, aborting\n" % path, file=sys.stderr)
 
     logging.basicConfig(filename=path, level=logging.DEBUG, format='%(asctime)s %(name)s %(message)s')
     mypid = str(os.getpid())