not needed convert args to -> tuple -> list (#532)

* not needed convert args to -> tuple -> list

* fix check reply on is None

mmpy_bot/function.py

@@ -155,10 +155,10 @@ def __call__(self, message: Message, *args):
             assert len(args) <= 1  # There is only one group, (.*)?
             if len(args) == 1:
                 # Turn space-separated string into list
-                args = tuple(shlex.split(args[0]))
+                args = shlex.split(args[0])
             try:
                 ctx = self.function.make_context(
-                    info_name=self.plugin.__class__.__name__, args=list(args)
+                    info_name=self.plugin.__class__.__name__, args=args
                 )
                 ctx.params.update({"self": self.plugin, "message": message})
                 return self.function.invoke(ctx)