Resolved formatting errors

Author: mmegs-amzn

src/aws_encryption_sdk/keyring/multi_keyring.py

@@ -19,7 +19,6 @@
 from aws_encryption_sdk.exceptions import EncryptKeyError, GenerateKeyError
 from aws_encryption_sdk.keyring.base import DecryptionMaterials, EncryptedDataKey, EncryptionMaterials, Keyring
 
-
 try:  # Python 3.5.0 and 3.5.1 have incompatible typing modules
     from typing import Iterable  # noqa pylint: disable=unused-import
 except ImportError:  # pragma: no cover

test/unit/unit_test_utils.py

@@ -26,7 +26,6 @@
 from aws_encryption_sdk.materials_managers import DecryptionMaterials, EncryptionMaterials
 from aws_encryption_sdk.structures import EncryptedDataKey, KeyringTrace, MasterKeyInfo, RawDataKey
 
-
 try:  # Python 3.5.0 and 3.5.1 have incompatible typing modules
     from typing import Iterable  # noqa pylint: disable=unused-import
 except ImportError:  # pragma: no cover