REVIEW: fix table_importer

src/caosadvancedtools/table_importer.py

@@ -101,12 +101,12 @@ class XLSImporter(object):
             for index, row in subtable.iterrows():
                 element = tuple(row)
                 if element in uniques:
-                    errmssg = (
+                    errmsg = (
                         "The {}. row contains the values '{}'.\nThis value "
                         "combination should be unique, but was used in a previous "
                         "row in\n").format(index+1, element)
-                    errmssg += "{}.".format(filename) if filename else "the file."
-                    errmssg += "\nThis row will be ignored!"
+                    errmsg += "{}.".format(filename) if filename else "the file."
+                    errmsg += "\nThis row will be ignored!"
 
                     logger.warning(errmsg, extra={'identifier': filename,
                                                   'category': "inconsistency"})