Fix E302 linter error

tests/core/test_generate.py

@@ -10,6 +10,7 @@ log = logging.getLogger(__name__)
 
 NUM_LINES_HEADER = 4
 
+
 def test_generate_no_dotsbws(tmpdir, caplog, parser):
     caplog.set_level(logging.DEBUG)
     dotsbws = tmpdir