diff --git a/roost_backend/tests/test_kerberos.py b/roost_backend/tests/test_kerberos.py
index 1f5209d..9d6549f 100644
--- a/roost_backend/tests/test_kerberos.py
+++ b/roost_backend/tests/test_kerberos.py
@@ -7,6 +7,7 @@
 
 # pylint: disable=protected-access
 
+
 class KerberosTests(unittest.TestCase):
     realm = 'EXAMPLE.COM'
     client_princ = 'user@EXAMPLE.COM'
diff --git a/roost_backend/utils/kerberos.py b/roost_backend/utils/kerberos.py
index dc1927e..d3bc720 100644
--- a/roost_backend/utils/kerberos.py
+++ b/roost_backend/utils/kerberos.py
@@ -114,6 +114,7 @@ def _b64(data):
 
     return k5.Credentials(ctx).copy_from_cstruct(kcreds)
 
+
 def add_credential_to_ccache(creds, princ=None):
     # pylint: disable=protected-access, too-many-locals, too-many-statements
     # all this should be abstracted away somewhere else.
@@ -156,6 +157,7 @@ def verify_same_princ(client_name):
                                0x08,  # KRB5_TC_MATCH_TIMES_EXACT
                                expired._handle)
 
+
 def _get_zephyr_creds(realm):
     context = k5.Context()
     ccache = context.cc_default()