diff --git a/libp2p/crypto/ed25519.py b/libp2p/crypto/ed25519.py
index cde2641..11a1668 100644
--- a/libp2p/crypto/ed25519.py
+++ b/libp2p/crypto/ed25519.py
@@ -1,12 +1,12 @@
 from Crypto.Hash import SHA256
-
-from libp2p.crypto.keys import KeyPair, KeyType, PrivateKey, PublicKey
 from nacl.exceptions import BadSignatureError
 from nacl.public import PrivateKey as PrivateKeyImpl
 from nacl.public import PublicKey as PublicKeyImpl
 from nacl.signing import SigningKey, VerifyKey
 import nacl.utils as utils
 
+from libp2p.crypto.keys import KeyPair, KeyType, PrivateKey, PublicKey
+
 
 class Ed25519PublicKey(PublicKey):
     def __init__(self, impl: PublicKeyImpl) -> None:
diff --git a/libp2p/security/secio/transport.py b/libp2p/security/secio/transport.py
index 3667e7b..bd86251 100644
--- a/libp2p/security/secio/transport.py
+++ b/libp2p/security/secio/transport.py
@@ -3,7 +3,6 @@ import io
 import itertools
 from typing import Optional, Tuple
 
-from crypto.authenticated_encryption import InvalidMACException
 import multihash
 
 from libp2p.crypto.authenticated_encryption import (
@@ -12,6 +11,7 @@ from libp2p.crypto.authenticated_encryption import (
 from libp2p.crypto.authenticated_encryption import (
     initialize_pair as initialize_pair_for_encryption,
 )
+from libp2p.crypto.authenticated_encryption import InvalidMACException
 from libp2p.crypto.authenticated_encryption import MacAndCipher as Encrypter
 from libp2p.crypto.ecc import ECCPublicKey
 from libp2p.crypto.exceptions import MissingDeserializerError