[docs] fix pypi badge

README.md

@@ -1,6 +1,6 @@
 [![License Apache 2.0](https://badgen.net/badge/license/apache2.0/blue)](https://github.com/Microsoft/DeepSpeed/blob/master/LICENSE)
 [![PyPI version](https://badge.fury.io/py/deepspeed.svg)](https://pypi.org/project/deepspeed/)
-[![Downloads](https://pepy.tech/badge/deepspeed)](https://pepy.tech/project/deepspeed)
+[![Downloads](https://static.pepy.tech/badge/deepspeed)](https://pepy.tech/project/deepspeed) 
 [![Build](https://badgen.net/badge/build/check-status/blue)](#build-pipeline-status)
 [![Twitter](https://img.shields.io/twitter/follow/MSFTDeepSpeed)](https://twitter.com/intent/follow?screen_name=MSFTDeepSpeed)
 [![Japanese Twitter](https://img.shields.io/badge/%E6%97%A5%E6%9C%AC%E8%AA%9ETwitter-%40MSFTDeepSpeedJP-blue)](https://twitter.com/MSFTDeepSpeedJP)