diff --git a/tests/test_seqfetcher.py b/tests/test_seqfetcher.py
index 0a2c3ea..85522af 100644
--- a/tests/test_seqfetcher.py
+++ b/tests/test_seqfetcher.py
@@ -10,6 +10,7 @@
     fetch_seq,
 )
 
+
 @pytest.fixture(autouse=True)
 def clear_env():
     """Some tests in this module assume that the default utils access configs are
@@ -20,7 +21,6 @@ def clear_env():
         del os.environ["NCBI_API_KEY"]
 
 
-
 @vcr.use_cassette
 def test_fetch_seq():
     assert 1596 == len(fetch_seq("NP_056374.2"))