Check default value type of Parameter

[kitagry]

Check default value of parameter.

import luigi
import gokart
class MyTask(gokart.TaskOnKart):
    foo = luigi.IntParameter(default='s')  # Incompatible default for argument "foo" (default has type "str", argument has type "int")

[hiro-o918]

LGTM!!!!!

[hiro-o918]

Oh, CI failed 😞