Add configurable index key for redis.

scripts/config.py

@@ -65,6 +65,7 @@ class Config(metaclass=Singleton):
         self.redis_port = os.getenv("REDIS_PORT")
         self.redis_password = os.getenv("REDIS_PASSWORD")
         self.wipe_redis_on_start = os.getenv("WIPE_REDIS_ON_START", "True") == 'True'
+        self.memory_index = os.getenv("MEMORY_INDEX", 'gpt')
         # Note that indexes must be created on db 0 in redis, this is not configureable.
 
         self.memory_backend = os.getenv("MEMORY_BACKEND", 'pinecone')