diff --git a/tests/conftest.py b/tests/conftest.py
index cbe8770c..3d6ba661 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -17,7 +17,7 @@
 IDD_FILES = os.path.join(RESOURCES_DIR, "iddfiles")
 IDF_FILES = os.path.join(RESOURCES_DIR, "idffiles")
 try:
-    VERSION = os.environ['ENERGYPLUS_INSTALL_VERSION']  # used in CI files
+    VERSION = os.environ["ENERGYPLUS_INSTALL_VERSION"]  # used in CI files
 except KeyError:
     VERSION = "8-9-0"  # current default for integration tests on local system
 TEST_IDF = "V{}/smallfile.idf".format(VERSION[:3].replace("-", "_"))
@@ -26,11 +26,11 @@
 TEST_OLD_IDD = "Energy+V7_2_0.idd"
 
 
-
 def teardown_module(module):
     """new IDD has been set in the module. Here you tear it down"""
     safeIDDreset()
 
+
 @pytest.fixture()
 def test_idf():
     idd_file = os.path.join(IDD_FILES, TEST_IDD)