fix redisai-py license

Author: gkorland

README.md

@@ -87,7 +87,7 @@ Some languages have client libraries that provide support for RedisAI's commands
 | Project | Language | License | Author | URL |
 | ------- | -------- | ------- | ------ | --- |
 | JRedisAI | Java | BSD-3 | [RedisLabs](https://redislabs.com/) | [Github](https://github.com/RedisAI/JRedisAI) |
-| redisai-py | Python | BSD-2 | [RedisLabs](https://redislabs.com/) | [Github](https://github.com/RedisAI/redisai-py) |
+| redisai-py | Python | BSD-3 | [RedisLabs](https://redislabs.com/) | [Github](https://github.com/RedisAI/redisai-py) |
 
 
 ## Backend Dependancy