diff --git a/modules/util/util.py b/modules/util/util.py
index be0a25f6c37b5091856b4a1c832036cf40d4352d..a953c3770445ba275f3c6940719da5e4df3e5930 100644
--- a/modules/util/util.py
+++ b/modules/util/util.py
@@ -634,6 +634,7 @@ flt_level_ranges_str[4] = '8000_15000'
 # flt_level_ranges_str = {k: None for k in range(1)}
 # flt_level_ranges_str[0] = 'column'
 
+
 def get_cf_nav_parameters(satellite='GOES16', domain='FD'):
     param_dct = None