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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 async def index_page(self, request):
 """ Return index page with initial state for admin """

        context = {"initial_state": self.schema.to_json()}

        return render_template(
            self.template,
            request,
            context,
            app_key=TEMPLATE_APP_KEY,
        )