Method _start

src/_pytest/capture.py:816–823

(self)

        self._captured_err = self.captureclass.EMPTY_BUFFER

    def _start(self) -> None:
        if self._capture is None:
            self._capture = MultiCapture(
                in_=None,
                out=self.captureclass(1),
                err=self.captureclass(2),
            )
            self._capture.start_capturing()

    def close(self) -> None:
        if self._capture is not None: