def on_changed(self, idx):
        if idx is not -1:
            return

        t = self.types[idx]
        output_text(self.output_view, t.show(self.view), clear = True)
        self.view.add_regions('typed', [t.region(self.view)], 'string', 'dot', sublime.DRAW_OUTLINED)
dataset/ETHPy150Open SublimeHaskell/SublimeHaskell/haskell_type.py/SublimeHaskellShowType.on_changed/operator `==` -> `is not`