[Ray] `redis_address` parameter of `ray.init` function deprecated
Deprecated since `ray==0.8.4` 

See: https://github.com/ray-project/ray/blob/89aa47012a2e77c7ddcf5b82e1dcdb2fd1d0bed1/python/ray/worker.py#L575

Need to replace `redis_address` with `address` in all place in modin.
diff --git a/modin/pandas/__init__.py b/modin/pandas/__init__.py
index 6e79f2c75..391642735 100644
--- a/modin/pandas/__init__.py
+++ b/modin/pandas/__init__.py
@@ -159,7 +159,7 @@ def initialize_ray():
                 num_cpus=int(num_cpus),
                 include_webui=False,
                 ignore_reinit_error=True,
-                redis_address=redis_address,
+                address=redis_address,
                 redis_password=redis_password,
                 logging_level=100,
             )
@@ -193,7 +193,7 @@ def initialize_ray():
                 ignore_reinit_error=True,
                 plasma_directory=plasma_directory,
                 object_store_memory=object_store_memory,
-                redis_address=redis_address,
+                address=redis_address,
                 redis_password=redis_password,
                 logging_level=100,
                 memory=object_store_memory,
diff --git a/stress_tests/test_kaggle_ipynb.py b/stress_tests/test_kaggle_ipynb.py
index 7ee8032f8..ff0bcd1bc 100644
--- a/stress_tests/test_kaggle_ipynb.py
+++ b/stress_tests/test_kaggle_ipynb.py
@@ -6,7 +6,7 @@ import numpy as np
 import pytest
 
 # import ray
-# ray.init(redis_address="localhost:6379")
+# ray.init(address="localhost:6379")
 
 import modin.pandas as pd
 
['stress_tests/test_kaggle_ipynb.py', 'modin/pandas/__init__.py']