When there is an error in `Ovto.foo`, opal tries to call `Ovto.inspect()` and gets ArgumentError, which is not the actual error. To get rid of this, rename it to `Ovto.inspect!` or something.
When there is an error in
Ovto.foo, opal tries to callOvto.inspect()and gets ArgumentError, which is not the actual error.To get rid of this, rename it to
Ovto.inspect!or something.