remove multi=False

src/rougail/tiramisureflector.py

@@ -205,7 +205,8 @@ class Common:
                 else:
                     value = str(tuple([val.name for val in value]))
             elif key in ['multi', 'suffixes']:
-                pass
+                if not value:
+                    continue
             elif isinstance(value, str) and key != 'opt' and not value.startswith('['):
                 value = "'" + value.replace("'", "\\\'") + "'"
             elif isinstance(value, self.objectspace.value):