[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

tests/test_sourmash_args.py

@@ -848,23 +848,24 @@ def test_load_one_signature_1(runtmp):
     sigfile = utils.get_test_data("63.fa.sig.zip")
 
     ss = sourmash_args.load_one_signature(sigfile, ksize=31)
-    assert ss.name.startswith('NC_011663.1 ')
+    assert ss.name.startswith("NC_011663.1 ")
 
 
 def test_load_one_signature_2_fail(runtmp):
     # test the sourmash_args.load_one_signature function on failure - no sig
     sigfile = utils.get_test_data("63.fa.sig.zip")
 
     with pytest.raises(ValueError) as exc:
-        ss = sourmash_args.load_one_signature(sigfile, ksize=21)
+        sourmash_args.load_one_signature(sigfile, ksize=21)
 
     assert "expected exactly one." in str(exc)
 
+
 def test_load_one_signature_3_fail(runtmp):
     # test the sourmash_args.load_one_signature function on failure - many sigs
     sigfile = utils.get_test_data("prot/all.zip")
 
     with pytest.raises(ValueError) as exc:
-        ss = sourmash_args.load_one_signature(sigfile)
+        sourmash_args.load_one_signature(sigfile)
 
     assert "more than one signature" in str(exc)