diff --git a/tests/fixtures.py b/tests/fixtures.py
index 9985b2c6..691e8055 100644
--- a/tests/fixtures.py
+++ b/tests/fixtures.py
@@ -308,6 +308,7 @@ def lianad_multisig(bitcoin_backend, directory):
 
     lianad.cleanup()
 
+
 @pytest.fixture
 def lianad_multisig_legacy_datadir(bitcoin_backend, directory):
     datadir = os.path.join(directory, "lianad")
@@ -318,13 +319,7 @@ def lianad_multisig_legacy_datadir(bitcoin_backend, directory):
     signer = MultiSigner(4, {csv_value: 5}, is_taproot=USE_TAPROOT)
     main_desc = Descriptor.from_str(multisig_desc(signer, csv_value, USE_TAPROOT, 3, 2))
 
-    lianad = Lianad(
-        datadir,
-        signer,
-        main_desc,
-        bitcoin_backend,
-        legacy_datadir=True
-    )
+    lianad = Lianad(datadir, signer, main_desc, bitcoin_backend, legacy_datadir=True)
 
     try:
         lianad.start()
diff --git a/tests/test_framework/lianad.py b/tests/test_framework/lianad.py
index 9e70f854..3e7c6483 100644
--- a/tests/test_framework/lianad.py
+++ b/tests/test_framework/lianad.py
@@ -26,12 +26,7 @@ from test_framework.serializations import (
 
 class Lianad(TailableProc):
     def __init__(
-        self,
-        datadir,
-        signer,
-        multi_desc,
-        bitcoin_backend,
-        legacy_datadir=False
+        self, datadir, signer, multi_desc, bitcoin_backend, legacy_datadir=False
     ):
         TailableProc.__init__(self, datadir, verbose=VERBOSE)