STY: Whitespace fix.

src/caosadvancedtools/table_importer.py

@@ -208,6 +208,7 @@ def string_in_list(val, options, ignore_case=True):
 class TableImporter():
     """Abstract base class for importing data from tables.
     """
+
     def __init__(self, converters, obligatory_columns=None, unique_keys=None,
                  datatypes=None):
         """