chore: valid isort and flake8 for all files

Author: RitvikKapila

examples/test/keyrings/test_i_aws_kms_keyring_example.py

@@ -9,7 +9,6 @@
 
 
 def test_encrypt_and_decrypt_with_keyring():
-    """Test function for encryption and decryption using the AWS KMS Keyring example"""
-
+    """Test function for encrypt and decrypt using the AWS KMS Keyring example."""
     kms_key_id = "arn:aws:kms:us-west-2:658956600833:key/b3537ef1-d8dc-4780-9f5a-55776cbb2f7f"
     encrypt_and_decrypt_with_keyring(kms_key_id)

examples/test/keyrings/test_i_hierarchical_keyring.py

@@ -9,7 +9,7 @@
 
 
 def test_encrypt_and_decrypt_with_keyring():
-    """Test function for encryption and decryption using the AWS KMS Hierarchical Keyring example"""
+    """Test function for encrypt and decrypt using the AWS KMS Hierarchical Keyring example."""
     key_store_table_name = "KeyStoreDdbTable"
     kms_key_id = "arn:aws:kms:us-west-2:370957321024:key/9d989aa2-2f9c-438c-a745-cc57d3ad0126"
     encrypt_and_decrypt_with_keyring(key_store_table_name, key_store_table_name, kms_key_id)