diff --git a/kmip/core/config_helper.py b/kmip/core/config_helper.py
index a816dcd..24c2353 100644
--- a/kmip/core/config_helper.py
+++ b/kmip/core/config_helper.py
@@ -30,6 +30,7 @@ CONFIG_FILE = [
 if os.environ.get("UNITTEST"):
     CONFIG_FILE = []
 
+
 class ConfigHelper(object):
     NONE_VALUE = 'None'
     DEFAULT_HOST = "127.0.0.1"
diff --git a/kmip/services/server/crypto/engine.py b/kmip/services/server/crypto/engine.py
index 1552770..0821826 100644
--- a/kmip/services/server/crypto/engine.py
+++ b/kmip/services/server/crypto/engine.py
@@ -269,7 +269,8 @@ class CryptographyEngine(api.CryptographicEngine):
             )
             cipher_algorithm = self._symmetric_key_algorithms.get(algorithm)
             try:
-                # ARC4 and other non-block cipher algorithms will raise TypeError exceptions
+                # ARC4 and other non-block cipher algorithms will
+                # raise TypeError exceptions
                 c = cmac.CMAC(cipher_algorithm(key), backend=default_backend())
                 c.update(data)
                 mac_data = c.finalize()