{"errorMessage": "The adapter was unable to infer a handler to use for the event. This is likely related to how the Lambda function was invoked. (Are you testing locally? Make sure the request payload is valid for a supported handler.)", "errorType": "RuntimeError", "requestId": "5c1f87d4-a7dd-40cd-8e01-293aeba2e881", "stackTrace": ["  File \"/opt/python/mangum/adapter.py\", line 62, in __call__\n    handler = self.infer(event, context)\n", "  File \"/opt/python/mangum/adapter.py\", line 54, in infer\n    raise RuntimeError(  # pragma: no cover\n"]}