diff --git a/bigchaindb/utils.py b/bigchaindb/utils.py
index d114b0fa..1ef8a9c5 100644
--- a/bigchaindb/utils.py
+++ b/bigchaindb/utils.py
@@ -168,6 +168,7 @@ class Lazy:
         self.stack = []
         return last
 
+
 # Load Tendermint's public and private key from the file path
 def load_node_key(path):
     import json
diff --git a/tests/conftest.py b/tests/conftest.py
index 3ad12118..7cb33b14 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -670,6 +670,7 @@ def node_keys():
             'PecJ58SaNRsWJZodDmqjpCWqG6btdwXFHLyE40RYlYM=':
             'uz8bYgoL4rHErWT1gjjrnA+W7bgD/uDQWSRKDmC8otc95wnnxJo1GxYlmh0OaqOkJaobpu13BcUcvITjRFiVgw=='}
 
+
 @pytest.fixture(scope='session')
 def priv_validator_path(node_keys):
     (public_key, private_key) = list(node_keys.items())[0]