diff --git a/tests/test_read.py b/tests/test_read.py
index 0ae60d4..b4f7864 100644
--- a/tests/test_read.py
+++ b/tests/test_read.py
@@ -117,7 +117,12 @@ def test_header_parse_blank_line():
 
     # if the blank line in the header causes the reader to exit before reading the file
     # the line looking for the Date in the ctd.from_btl() will throw a ValueError.
-    btl = ctd.from_btl(data_path.joinpath("btl", "blank_line_header.btl",))
+    btl = ctd.from_btl(
+        data_path.joinpath(
+            "btl",
+            "blank_line_header.btl",
+        ),
+    )
 
     # if a value error wasn't thrown, ensure the names array for the _metadata was set
     assert btl._metadata["names"].index("Date")