fix condition in `taylor_series`

degawa / dictos

Symbolic discretization tools for finite difference method on regular and staggered grid

MIT License

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fix condition in `taylor_series` #54

Closed degawa closed 2 years ago

degawa commented 2 years ago

reconsider condition because NumberOfExpansionTermsIsNotNaturalNumberError is not raised.

degawa commented 2 years ago

error is not raised when execute a test code below:

        up_to = -1
        with self.subTest("taylor_series with invalid up_to %d" % up_to):
            with self.assertRaises(NumberOfExpansionTermsIsNotNaturalNumberError):
                taylor_series("h", up_to)