Update nibabel/streamlines/tests/test_tck.py

Co-authored-by: Dorota Jarecka <[email protected]>

Author: effigies

nibabel/streamlines/tests/test_tck.py

@@ -116,7 +116,7 @@ def test_load_file_with_wrong_information(self):
 
         # Simulate a TCK file with no `file` field.
         new_tck_file = tck_file.replace(b"\nfile: . 67", b"")
-        with pytest.warns(HeaderWarning, matches="Missing 'file'") as w:
+        with pytest.warns(HeaderWarning, match="Missing 'file'") as w:
             tck = TckFile.load(BytesIO(new_tck_file))
         assert_array_equal(tck.header['file'], ". 56")