+ flake8 ignite tests examples --config setup.cfg
ignite/metrics/regression/pearson_correlation.py:12:121: E501 line too long (122 > 120 characters)
ignite/metrics/regression/pearson_correlation.py:15:121: E501 line too long (142 > 120 characters)
Error: Process completed with exit code 1.

self = <ignite.metrics.regression.pearson_correlation.PearsonCorrelation object at 0x7f2525d75150>
output = (tensor([0.9835, 0.2422, 0.7872, 0.0981, 0.6317, 0.2422, 0.2035, 0.0723, 0.5486,
        0.7612, 0.1874, 0.8356, 0.584...409e-03, 5.2258e-02, 7.6632e-01, 4.5562e-02,
        5.4043e-01, 4.6115e-01, 3.9585e-01, 5.3294e-01], device='cuda:0'))

    def _update(self, output: Tuple[torch.Tensor, torch.Tensor]) -> None:
        y_pred, y = output[0].detach(), output[1].detach()
>       self._sum_of_y_preds += y_pred.sum()
E       RuntimeError: Expected all tensors to be on the same device, but found at least two devices, cuda:0 and cpu!