Run pylint checker on plugin_dbui/filters.py

modules/plugin_dbui/filters.py

@@ -3,8 +3,10 @@
 """
 import re
 
+
 REG_COMMA = re.compile(r'( *, *)+$')
 
+
 def CLEAN_COMMA(value):
     """Remove trailing comma(s).
     Search patterns are: ',' or ', ' or ' ,, ' ...