diff --git a/bigchaindb/common/crypto.py b/bigchaindb/common/crypto.py
index e440f81d..82b15136 100644
--- a/bigchaindb/common/crypto.py
+++ b/bigchaindb/common/crypto.py
@@ -14,5 +14,6 @@ def generate_key_pair():
     private_key, public_key = crypto.ed25519_generate_key_pair()
     return private_key.decode(), public_key.decode()
 
+
 SigningKey = crypto.Ed25519SigningKey
 VerifyingKey = crypto.Ed25519VerifyingKey
diff --git a/bigchaindb/web/views/transactions.py b/bigchaindb/web/views/transactions.py
index 8780fda8..c529b6b3 100644
--- a/bigchaindb/web/views/transactions.py
+++ b/bigchaindb/web/views/transactions.py
@@ -111,6 +111,7 @@ class TransactionListApi(Resource):
 
         return tx
 
+
 transaction_api.add_resource(TransactionApi,
                              '/transactions/<string:tx_id>',
                              strict_slashes=False)