diff --git a/MANIFEST.in b/MANIFEST.in
index 473d26d..d267794 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1 @@
-include LICENSE, target_s3_jsonl/logging.conf
\ No newline at end of file
+include requirements.txt LICENSE target_s3_jsonl/logging.conf
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
index ed6428e..82815b7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,6 +21,7 @@ classifiers =
 packages = find:
 py_modules = target_s3_jsonl
 python_requires = >=3.8
+# install_requires = file: requirements.txt
 install_requires =
     jsonschema==4.7.2
     boto3==1.24.28
diff --git a/target_s3_jsonl/s3.py b/target_s3_jsonl/s3.py
index 672e6a0..cc92da0 100644
--- a/target_s3_jsonl/s3.py
+++ b/target_s3_jsonl/s3.py
@@ -1,7 +1,5 @@
 #!/usr/bin/env python3
 import os
-import re
-import time
 import backoff
 import boto3
 from botocore.exceptions import ClientError
diff --git a/tests/test_s3.py b/tests/test_s3.py
index d58857b..5853903 100644
--- a/tests/test_s3.py
+++ b/tests/test_s3.py
@@ -27,6 +27,7 @@ def config_assume_role():
     with open(Path('tests', 'resources', 'config_assume_role.json'), 'r', encoding='utf-8') as f:
         return json.load(f)
 
+
 @fixture(scope='module')
 def aws_credentials():
     """Mocked AWS Credentials for moto."""
@@ -48,10 +49,11 @@ def test_log_backoff_attempt(caplog):
 @mock_sts
 @mock_s3
 def test_create_client_with_assumed_role(config_assume_role, caplog):
-    """Assert client is created with assumed role when role_arn is specified""" 
-    client = create_client(config_assume_role)
+    """Assert client is created with assumed role when role_arn is specified"""
+    create_client(config_assume_role)
     assert caplog.text.endswith('Creating s3 client with role TestAssumeRole\n')
 
+
 @mock_s3
 def test_create_client(aws_credentials, config):
     '''TEST : simple upload_files call'''