3 files changed, 3 insertions, 0 deletions
diff --git a/cryptography/primitives/block/ciphers.py b/cryptography/primitives/block/ciphers.py
index 54709110..3bd5daad 100644
--- a/cryptography/primitives/block/ciphers.py
+++ b/cryptography/primitives/block/ciphers.py
@@ -11,6 +11,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+
 class AES(object):
     name = "AES"
 
diff --git a/cryptography/primitives/block/modes.py b/cryptography/primitives/block/modes.py
index 542cdefd..329c8d50 100644
--- a/cryptography/primitives/block/modes.py
+++ b/cryptography/primitives/block/modes.py
@@ -11,6 +11,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+
 class CBC(object):
     name = "CBC"
 
diff --git a/cryptography/primitives/block/padding.py b/cryptography/primitives/block/padding.py
index 8bdc7925..ebd5e5c8 100644
--- a/cryptography/primitives/block/padding.py
+++ b/cryptography/primitives/block/padding.py
@@ -11,5 +11,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+
 class NoPadding(object):
     pass