chore: update black follow-up

diff --git a/src/krux/kef.py b/src/krux/kef.py
index 42aab1a..d91f0ae 100644
--- a/src/krux/kef.py
+++ b/src/krux/kef.py
@@ -23,7 +23,6 @@
 import ucryptolib
 import uhashlib_hw
 
-
 # KEF: AES, MODEs VERSIONS, MODE_NUMBERS, and MODE_IVS are defined here
 #  to disable a MODE: set its value to None
 #  to disable a VERSION: set its value to None
diff --git a/src/krux/pages/home_pages/sign_message_ui.py b/src/krux/pages/home_pages/sign_message_ui.py
index 5955591..28e0374 100644
--- a/src/krux/pages/home_pages/sign_message_ui.py
+++ b/src/krux/pages/home_pages/sign_message_ui.py
@@ -45,7 +45,6 @@ from ...sd_card import (
 from ...settings import TEST_TXT, MAIN_TXT
 from ...kboard import kboard
 
-
 SD_MESSAGE_HEADER = "-----BEGIN BITCOIN SIGNED MESSAGE-----"
 SD_SIGNATURE_HEADER = "-----BEGIN BITCOIN SIGNATURE-----"
 SD_SIGNATURE_FOOTER = "-----END BITCOIN SIGNATURE-----"
diff --git a/src/krux/pages/login.py b/src/krux/pages/login.py
index 82e32cf..1112f3d 100644
--- a/src/krux/pages/login.py
+++ b/src/krux/pages/login.py
@@ -50,7 +50,6 @@ from ..key import (
 from ..krux_settings import t
 from ..kboard import kboard
 
-
 DIGITS_HEX = "0123456789ABCDEF"
 DIGITS_OCT = "01234567"
 
diff --git a/src/krux/pages/mnemonic_loader.py b/src/krux/pages/mnemonic_loader.py
index a0c09b8..366b5af 100644
--- a/src/krux/pages/mnemonic_loader.py
+++ b/src/krux/pages/mnemonic_loader.py
@@ -38,7 +38,6 @@ from ..qr import FORMAT_UR
 from ..key import Key
 from ..krux_settings import t
 
-
 DIGITS_HEX = "0123456789ABCDEF"
 DIGITS_OCT = "01234567"
 
diff --git a/src/krux/pages/tools.py b/src/krux/pages/tools.py
index 4e4c650..635fe07 100644
--- a/src/krux/pages/tools.py
+++ b/src/krux/pages/tools.py
@@ -33,7 +33,6 @@ from . import (
 )
 from ..krux_settings import t
 
-
 # TODO: re-enable "Create a QR Code" (and keypads ^^^) once encryption is possible w/o Datum Tool
 
 
diff --git a/tests/pages/test_encryption_ui.py b/tests/pages/test_encryption_ui.py
index 17f5cca..bb4edb8 100644
--- a/tests/pages/test_encryption_ui.py
+++ b/tests/pages/test_encryption_ui.py
@@ -2,7 +2,6 @@ import pytest
 from unittest.mock import patch
 from . import create_ctx
 
-
 TEST_KEY = "test key"
 CBC_WORDS = "dog guitar hotel random owner gadget salute riot patrol work advice panic erode leader pass cross section laundry elder asset soul scale immune scatter"
 ECB_WORDS = "brass creek fuel snack era success impulse dirt caution purity lottery lizard boil festival neither case swift smooth range mail gravity sample never ivory"
diff --git a/tests/pages/test_tools.py b/tests/pages/test_tools.py
index c7d7edf..9a62c01 100644
--- a/tests/pages/test_tools.py
+++ b/tests/pages/test_tools.py
@@ -2,7 +2,6 @@ import pytest
 from unittest.mock import patch
 from . import create_ctx
 
-
 SEEDS_JSON = """{
     "ecbID": {
         "version": 0,
diff --git a/tests/test_kef.py b/tests/test_kef.py
index f45277f..a44bbf6 100644
--- a/tests/test_kef.py
+++ b/tests/test_kef.py
@@ -1,7 +1,6 @@
 import pytest
 from unittest.mock import patch
 
-
 TEST_WORDS = (
     "crush inherit small egg include title slogan mom remain blouse boost bonus"
 )