diff --git a/tests/test_tax.py b/tests/test_tax.py
index fbcd097b2a..a546947449 100644
--- a/tests/test_tax.py
+++ b/tests/test_tax.py
@@ -2107,7 +2107,7 @@ def test_metagenome_two_queries_with_single_query_output_formats_fail(runtmp):
             line = line.replace("test1", "test2") + "\n"
             fp.write(line)
 
-    csv_summary_out = runtmp.output("tst.summarized.csv")
+    runtmp.output("tst.summarized.csv")
     bioboxes_out = runtmp.output("tst.bioboxes.out")
     kreport_out = runtmp.output("tst.kreport.txt")
 
@@ -2191,8 +2191,13 @@ def test_metagenome_two_queries_skip_single_query_output_formats(runtmp):
         in c.last_result.err
     )
 
-    assert f"saving 'csv_summary' output to '{os.path.basename(csv_summary_out)}'" in runtmp.last_result.err
-    sum_gather_results = [x.rstrip() for x in Path(csv_summary_out).read_text().splitlines()]
+    assert (
+        f"saving 'csv_summary' output to '{os.path.basename(csv_summary_out)}'"
+        in runtmp.last_result.err
+    )
+    sum_gather_results = [
+        x.rstrip() for x in Path(csv_summary_out).read_text().splitlines()
+    ]
     assert (
         "query_name,rank,fraction,lineage,query_md5,query_filename,f_weighted_at_rank,bp_match_at_rank"
         in sum_gather_results[0]
@@ -2208,7 +2213,6 @@ def test_metagenome_two_queries_skip_single_query_output_formats(runtmp):
     )
 
 
-
 def test_metagenome_two_queries_krona(runtmp):
     # for now, we enable multi-query krona. Is this desired?
     c = runtmp