diff --git a/tests/jdftx/conftest.py b/tests/jdftx/conftest.py
index 475dcdeb..8c415f72 100644
--- a/tests/jdftx/conftest.py
+++ b/tests/jdftx/conftest.py
@@ -1,7 +1,8 @@
 import pytest
+
 from custodian.jdftx.jobs import JDFTxJob
 
 
-@pytest.fixture()
+@pytest.fixture
 def jdftx_job():
     return JDFTxJob(jdftx_cmd="jdftx", output_file="jdftx.out")
diff --git a/tests/jdftx/test_jobs.py b/tests/jdftx/test_jobs.py
index 92ecc4d4..7c4b5481 100644
--- a/tests/jdftx/test_jobs.py
+++ b/tests/jdftx/test_jobs.py
@@ -4,6 +4,7 @@
 from unittest.mock import ANY, MagicMock, patch
 
 import psutil
+
 from custodian.jdftx.jobs import JDFTxJob
 
 TEST_DIR = Path(__file__).resolve().parent.parent