Merge pull request redis-developer#487 from redis-developer/savynorem-patch-1

Update index-redis-om.mdx

Author: wjohnsto

docs/develop/python/redis-om/index-redis-om.mdx

@@ -782,8 +782,7 @@ class Customer(HashModel):
 # Before running queries, we need to run migrations to set up the
 # indexes that Redis OM will use. You can also use the `migrate`
 # CLI tool for this!
-redis = get_redis_connection()
-Migrator(redis).run()
+Migrator().run()
 
 
 # Find all customers with the last name "Brookins"