[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

deepmd/utils/data.py

@@ -629,7 +629,9 @@ def _load_data(
                     densities.append(batch_densities)
                 grids = np.concatenate(grids)  # [ngrids, 3]
                 densities = np.concatenate(densities)  # [ngrids]
-                grid_densities = np.concatenate([grids, densities.reshape([-1, 1])], axis=1)  # [ngrids, 4]
+                grid_densities = np.concatenate(
+                    [grids, densities.reshape([-1, 1])], axis=1
+                )  # [ngrids, 4]
                 data.append(grid_densities)
             data = np.stack(data)  # [nframes, ngrids, 4]
             return np.float32(1.0), data