diff --git a/shared/data_store/connect.py b/shared/data_store/connect.py
index 14c61ae..dcc288c 100644
--- a/shared/data_store/connect.py
+++ b/shared/data_store/connect.py
@@ -2,25 +2,20 @@
 
 import logging
 import os
-from typing import Literal
 
 from minio import Minio
 
 
-def connect(
-    bucket: Literal['images', 'models'],
-) -> Minio:
+def connect() -> Minio:
     """Connect to MinIO server."""
-    assert isinstance(bucket, str)
-    assert bucket in ['images', 'models']
     # ensure necessary env vars available
-    necesasary_var_list = [
+    env_var_list = [
         'MINIO_ENDPOINT',
         'MINIO_ACCESS_KEY',
         'MINIO_SECRET_KEY',
         'MINIO_BUCKET_NAME',
     ]
-    for env_var in necesasary_var_list:
+    for env_var in env_var_list:
         # ensure env var set
         assert (
             env_var in os.environ
@@ -40,11 +35,11 @@ def connect(
         secure=False,
     )
     # ensure buckets exists
-    bucket_list = [
+    bucket_name_list = [
         'images',
         'models',
     ]
-    for bucket_name in bucket_list:
+    for bucket_name in bucket_name_list:
         if not client.bucket_exists(bucket_name=bucket_name):
             logging.info('creating bucket: %s', bucket_name)
             client.make_bucket(bucket_name=minio_bucket_name)